diff --git a/01-intro-shell.html b/01-intro-shell.html
index 1fadc52a..1d26c481 100644
--- a/01-intro-shell.html
+++ b/01-intro-shell.html
@@ -484,7 +484,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-shell/01-intro-shell.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/02-navigating-the-filesystem.html b/02-navigating-the-filesystem.html
index 88e7c6d7..a6c4b45e 100644
--- a/02-navigating-the-filesystem.html
+++ b/02-navigating-the-filesystem.html
@@ -565,7 +565,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -643,7 +643,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>To order files in a directory by their filesize, in combination with
 the <code>-l</code> argument:</p>
@@ -736,7 +736,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-shell/02-navigating-the-filesystem.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-05-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/03-working-with-files-and-folders.html b/03-working-with-files-and-folders.html
index 2eb757f9..7b9d959b 100644
--- a/03-working-with-files-and-folders.html
+++ b/03-working-with-files-and-folders.html
@@ -936,7 +936,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-shell/03-working-with-files-and-folders.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-02-23",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/04-loops.html b/04-loops.html
index 812bb6c9..ac42261a 100644
--- a/04-loops.html
+++ b/04-loops.html
@@ -507,7 +507,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -638,7 +638,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-shell/04-loops.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-02-23",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/05-counting-mining.html b/05-counting-mining.html
index f12183d8..85c185a1 100644
--- a/05-counting-mining.html
+++ b/05-counting-mining.html
@@ -663,7 +663,7 @@ <h3 class="callout-title">Adding another pipe<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The <code>cat</code> command outputs whatever it gets as input, so
 you get exactly the same output from</p>
@@ -719,7 +719,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Here we use the <code>wc</code> command with the <code>-w</code>
 (word) flag on all <code>tsv</code> files, <code>sort</code> them and
@@ -754,7 +754,7 @@ <h3 class="callout-title">Counting number of files<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb29">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -784,7 +784,7 @@ <h3 class="callout-title">Writing to files<a class="anchor" aria-label="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -819,7 +819,7 @@ <h3 class="callout-title">Appending to a file<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb31">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -852,7 +852,7 @@ <h3 class="callout-title">Counting the number of words<a class="anchor" aria-lab
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>From <code>man wc</code>, you will see that there is a
 <code>-w</code> flag to print the number of words:</p>
@@ -1070,7 +1070,7 @@ <h3 class="callout-title">Automatically adding a date prefix<a class="anchor" ar
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>Using <code>date --help</code> (on Git Bash for Windows or Linux) or
 <code>man date</code> (on macOS or Linux) will show you that the
@@ -1146,7 +1146,7 @@ <h3 class="callout-title">Case sensitive search<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8"> Show me the solution </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb52">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1176,7 +1176,7 @@ <h3 class="callout-title">Case sensitive search in select files<a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution9" aria-expanded="false" aria-controls="collapseSolution9">
   <h4 class="accordion-header" id="headingSolution9"> Show me the solution </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb53">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1206,7 +1206,7 @@ <h3 class="callout-title">Count words (case sensitive)<a class="anchor" aria-lab
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution10" aria-expanded="false" aria-controls="collapseSolution10">
   <h4 class="accordion-header" id="headingSolution10"> Show me the solution </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb54">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1236,7 +1236,7 @@ <h3 class="callout-title">Count words (case insensitive)<a class="anchor" aria-l
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution11" aria-expanded="false" aria-controls="collapseSolution11">
   <h4 class="accordion-header" id="headingSolution11"> Show me the solution </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb55">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1266,7 +1266,7 @@ <h3 class="callout-title">Case insensitive search in select files<a class="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution12" aria-expanded="false" aria-controls="collapseSolution12">
   <h4 class="accordion-header" id="headingSolution12"> Show me the solution </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb56">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1296,7 +1296,7 @@ <h3 class="callout-title">Case insensitive search in select files (whole word)<a
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution13" aria-expanded="false" aria-controls="collapseSolution13">
   <h4 class="accordion-header" id="headingSolution13"> Show me the solution </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb57">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1329,7 +1329,7 @@ <h3 class="callout-title">Searching with regular expressions<a class="anchor" ar
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution14" aria-expanded="false" aria-controls="collapseSolution14">
   <h4 class="accordion-header" id="headingSolution14"> Show me the solution </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb58">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1376,7 +1376,7 @@ <h3 class="callout-title">Finding unique values<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution15" aria-expanded="false" aria-controls="collapseSolution15">
   <h4 class="accordion-header" id="headingSolution15"> Show me the solution </h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb60">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1471,7 +1471,7 @@ <h3 class="callout-title">Why are the variables double-quoted here?<a class="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution16" aria-expanded="false" aria-controls="collapseSolution16">
   <h4 class="accordion-header" id="headingSolution16"> Solutions </h4>
 </button>
-<div id="collapseSolution16" class="accordion-collapse collapse" data-bs-parent="#accordionSolution16" aria-labelledby="headingSolution16">
+<div id="collapseSolution16" class="accordion-collapse collapse" aria-labelledby="headingSolution16" data-bs-parent="#accordionSolution16">
 <div class="accordion-body">
 <ol style="list-style-type: lower-alpha"><li><p>Because we are explicitly listing the names after
 <code>in</code>, and those contain no white-space. However, for
@@ -1551,7 +1551,7 @@ <h3 id="now-your-turn">Now your turn<a class="anchor" aria-label="anchor" href="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution17" aria-expanded="false" aria-controls="collapseSolution17">
   <h4 class="accordion-header" id="headingSolution17"> Show me the solution </h4>
 </button>
-<div id="collapseSolution17" class="accordion-collapse collapse" data-bs-parent="#accordionSolution17" aria-labelledby="headingSolution17">
+<div id="collapseSolution17" class="accordion-collapse collapse" aria-labelledby="headingSolution17" data-bs-parent="#accordionSolution17">
 <div class="accordion-body">
 <p>First, let’s see where our desired columns are:</p>
 <div class="codewrapper sourceCode" id="cb68">
@@ -1659,7 +1659,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-shell/05-counting-mining.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/06-free-text.html b/06-free-text.html
index 7e16745f..9ca856c8 100644
--- a/06-free-text.html
+++ b/06-free-text.html
@@ -545,7 +545,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -923,7 +923,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-shell/06-free-text.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-06-05",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index 3b070bd4..30c88d61 100644
--- a/404.html
+++ b/404.html
@@ -365,8 +365,8 @@ <h1>Page not found</h1>
   "url": "https://librarycarpentry.github.io/lc-shell/404.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/404.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 53875f13..2f612c73 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -385,7 +385,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://librarycarpentry.github.io/lc-shell/CODE_OF_CONDUCT.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index 3e7241c5..6842d4da 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -436,7 +436,7 @@ <h1>Licenses</h1>
   "identifier": "https://librarycarpentry.github.io/lc-shell/LICENSE.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index b875b405..83bcfd0c 100644
--- a/aio.html
+++ b/aio.html
@@ -724,7 +724,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -802,7 +802,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>To order files in a directory by their filesize, in combination with
 the <code>-l</code> argument:</p>
@@ -1600,7 +1600,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2023,7 +2023,7 @@ <h3 class="callout-title">Adding another pipe<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The <code>cat</code> command outputs whatever it gets as input, so
 you get exactly the same output from</p>
@@ -2079,7 +2079,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Here we use the <code>wc</code> command with the <code>-w</code>
 (word) flag on all <code>tsv</code> files, <code>sort</code> them and
@@ -2114,7 +2114,7 @@ <h3 class="callout-title">Counting number of files<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb29">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2144,7 +2144,7 @@ <h3 class="callout-title">Writing to files<a class="anchor" aria-label="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2179,7 +2179,7 @@ <h3 class="callout-title">Appending to a file<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb31">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2212,7 +2212,7 @@ <h3 class="callout-title">Counting the number of words<a class="anchor" aria-lab
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>From <code>man wc</code>, you will see that there is a
 <code>-w</code> flag to print the number of words:</p>
@@ -2432,7 +2432,7 @@ <h3 class="callout-title">Automatically adding a date prefix<a class="anchor" ar
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>Using <code>date --help</code> (on Git Bash for Windows or Linux) or
 <code>man date</code> (on macOS or Linux) will show you that the
@@ -2508,7 +2508,7 @@ <h3 class="callout-title">Case sensitive search<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8"> Show me the solution </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb52">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2538,7 +2538,7 @@ <h3 class="callout-title">Case sensitive search in select files<a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution9" aria-expanded="false" aria-controls="collapseSolution9">
   <h4 class="accordion-header" id="headingSolution9"> Show me the solution </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb53">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2568,7 +2568,7 @@ <h3 class="callout-title">Count words (case sensitive)<a class="anchor" aria-lab
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution10" aria-expanded="false" aria-controls="collapseSolution10">
   <h4 class="accordion-header" id="headingSolution10"> Show me the solution </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb54">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2598,7 +2598,7 @@ <h3 class="callout-title">Count words (case insensitive)<a class="anchor" aria-l
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution11" aria-expanded="false" aria-controls="collapseSolution11">
   <h4 class="accordion-header" id="headingSolution11"> Show me the solution </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb55">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2628,7 +2628,7 @@ <h3 class="callout-title">Case insensitive search in select files<a class="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution12" aria-expanded="false" aria-controls="collapseSolution12">
   <h4 class="accordion-header" id="headingSolution12"> Show me the solution </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb56">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2658,7 +2658,7 @@ <h3 class="callout-title">Case insensitive search in select files (whole word)<a
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution13" aria-expanded="false" aria-controls="collapseSolution13">
   <h4 class="accordion-header" id="headingSolution13"> Show me the solution </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb57">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2691,7 +2691,7 @@ <h3 class="callout-title">Searching with regular expressions<a class="anchor" ar
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution14" aria-expanded="false" aria-controls="collapseSolution14">
   <h4 class="accordion-header" id="headingSolution14"> Show me the solution </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb58">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2738,7 +2738,7 @@ <h3 class="callout-title">Finding unique values<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution15" aria-expanded="false" aria-controls="collapseSolution15">
   <h4 class="accordion-header" id="headingSolution15"> Show me the solution </h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb60">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2838,7 +2838,7 @@ <h3 class="callout-title">Why are the variables double-quoted here?<a class="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution16" aria-expanded="false" aria-controls="collapseSolution16">
   <h4 class="accordion-header" id="headingSolution16"> Solutions </h4>
 </button>
-<div id="collapseSolution16" class="accordion-collapse collapse" data-bs-parent="#accordionSolution16" aria-labelledby="headingSolution16">
+<div id="collapseSolution16" class="accordion-collapse collapse" aria-labelledby="headingSolution16" data-bs-parent="#accordionSolution16">
 <div class="accordion-body">
 <ol style="list-style-type: lower-alpha">
 <li><p>Because we are explicitly listing the names after
@@ -2921,7 +2921,7 @@ <h3 id="now-your-turn">Now your turn<a class="anchor" aria-label="anchor" href="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution17" aria-expanded="false" aria-controls="collapseSolution17">
   <h4 class="accordion-header" id="headingSolution17"> Show me the solution </h4>
 </button>
-<div id="collapseSolution17" class="accordion-collapse collapse" data-bs-parent="#accordionSolution17" aria-labelledby="headingSolution17">
+<div id="collapseSolution17" class="accordion-collapse collapse" aria-labelledby="headingSolution17" data-bs-parent="#accordionSolution17">
 <div class="accordion-body">
 <p>First, let’s see where our desired columns are:</p>
 <div class="codewrapper sourceCode" id="cb68">
@@ -3203,7 +3203,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3589,8 +3589,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://librarycarpentry.github.io/lc-shell/aio.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/aio.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/contribute.html b/contribute.html
index fa67f7a6..45da1853 100644
--- a/contribute.html
+++ b/contribute.html
@@ -388,7 +388,7 @@ <h1>Contribute</h1>
   "identifier": "https://librarycarpentry.github.io/lc-shell/contribute.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-08-29",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/discuss.html b/discuss.html
index a004e8e0..c15ce48d 100644
--- a/discuss.html
+++ b/discuss.html
@@ -385,7 +385,7 @@ <h1>Discussion</h1>
   "identifier": "https://librarycarpentry.github.io/lc-shell/discuss.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-08-29",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/images.html b/images.html
index fd8674e2..0bac40d5 100644
--- a/images.html
+++ b/images.html
@@ -419,8 +419,8 @@ <h3 id="05-counting-mining-figure-1">Figure 1</h3>
   "url": "https://librarycarpentry.github.io/lc-shell/images.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/images.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index e7d33b6d..0fd21781 100644
--- a/index.html
+++ b/index.html
@@ -474,8 +474,8 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
   "url": "https://librarycarpentry.github.io/lc-shell/index.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/index.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index 5b1e85f3..fc93a8e0 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -723,8 +723,8 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
   "url": "https://librarycarpentry.github.io/lc-shell/instructor-notes.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor-notes.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/01-intro-shell.html b/instructor/01-intro-shell.html
index 0e84acd3..f2050ee0 100644
--- a/instructor/01-intro-shell.html
+++ b/instructor/01-intro-shell.html
@@ -486,7 +486,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/01-intro-shell.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/02-navigating-the-filesystem.html b/instructor/02-navigating-the-filesystem.html
index f52e80b0..d384cbf1 100644
--- a/instructor/02-navigating-the-filesystem.html
+++ b/instructor/02-navigating-the-filesystem.html
@@ -567,7 +567,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -645,7 +645,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>To order files in a directory by their filesize, in combination with
 the <code>-l</code> argument:</p>
@@ -738,7 +738,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/02-navigating-the-filesystem.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-05-02",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/03-working-with-files-and-folders.html b/instructor/03-working-with-files-and-folders.html
index 96e80e18..037ccd50 100644
--- a/instructor/03-working-with-files-and-folders.html
+++ b/instructor/03-working-with-files-and-folders.html
@@ -938,7 +938,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/03-working-with-files-and-folders.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-02-23",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/04-loops.html b/instructor/04-loops.html
index 1062beee..d3e69397 100644
--- a/instructor/04-loops.html
+++ b/instructor/04-loops.html
@@ -509,7 +509,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -640,7 +640,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/04-loops.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-02-23",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/05-counting-mining.html b/instructor/05-counting-mining.html
index 7a4dfc32..30397205 100644
--- a/instructor/05-counting-mining.html
+++ b/instructor/05-counting-mining.html
@@ -665,7 +665,7 @@ <h3 class="callout-title">Adding another pipe<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The <code>cat</code> command outputs whatever it gets as input, so
 you get exactly the same output from</p>
@@ -721,7 +721,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Here we use the <code>wc</code> command with the <code>-w</code>
 (word) flag on all <code>tsv</code> files, <code>sort</code> them and
@@ -756,7 +756,7 @@ <h3 class="callout-title">Counting number of files<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb29">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -786,7 +786,7 @@ <h3 class="callout-title">Writing to files<a class="anchor" aria-label="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -821,7 +821,7 @@ <h3 class="callout-title">Appending to a file<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb31">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -854,7 +854,7 @@ <h3 class="callout-title">Counting the number of words<a class="anchor" aria-lab
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>From <code>man wc</code>, you will see that there is a
 <code>-w</code> flag to print the number of words:</p>
@@ -1072,7 +1072,7 @@ <h3 class="callout-title">Automatically adding a date prefix<a class="anchor" ar
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>Using <code>date --help</code> (on Git Bash for Windows or Linux) or
 <code>man date</code> (on macOS or Linux) will show you that the
@@ -1148,7 +1148,7 @@ <h3 class="callout-title">Case sensitive search<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8"> Show me the solution </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb52">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1178,7 +1178,7 @@ <h3 class="callout-title">Case sensitive search in select files<a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution9" aria-expanded="false" aria-controls="collapseSolution9">
   <h4 class="accordion-header" id="headingSolution9"> Show me the solution </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb53">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1208,7 +1208,7 @@ <h3 class="callout-title">Count words (case sensitive)<a class="anchor" aria-lab
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution10" aria-expanded="false" aria-controls="collapseSolution10">
   <h4 class="accordion-header" id="headingSolution10"> Show me the solution </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb54">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1238,7 +1238,7 @@ <h3 class="callout-title">Count words (case insensitive)<a class="anchor" aria-l
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution11" aria-expanded="false" aria-controls="collapseSolution11">
   <h4 class="accordion-header" id="headingSolution11"> Show me the solution </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb55">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1268,7 +1268,7 @@ <h3 class="callout-title">Case insensitive search in select files<a class="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution12" aria-expanded="false" aria-controls="collapseSolution12">
   <h4 class="accordion-header" id="headingSolution12"> Show me the solution </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb56">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1298,7 +1298,7 @@ <h3 class="callout-title">Case insensitive search in select files (whole word)<a
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution13" aria-expanded="false" aria-controls="collapseSolution13">
   <h4 class="accordion-header" id="headingSolution13"> Show me the solution </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb57">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1331,7 +1331,7 @@ <h3 class="callout-title">Searching with regular expressions<a class="anchor" ar
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution14" aria-expanded="false" aria-controls="collapseSolution14">
   <h4 class="accordion-header" id="headingSolution14"> Show me the solution </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb58">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1378,7 +1378,7 @@ <h3 class="callout-title">Finding unique values<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution15" aria-expanded="false" aria-controls="collapseSolution15">
   <h4 class="accordion-header" id="headingSolution15"> Show me the solution </h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb60">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1473,7 +1473,7 @@ <h3 class="callout-title">Why are the variables double-quoted here?<a class="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution16" aria-expanded="false" aria-controls="collapseSolution16">
   <h4 class="accordion-header" id="headingSolution16"> Solutions </h4>
 </button>
-<div id="collapseSolution16" class="accordion-collapse collapse" data-bs-parent="#accordionSolution16" aria-labelledby="headingSolution16">
+<div id="collapseSolution16" class="accordion-collapse collapse" aria-labelledby="headingSolution16" data-bs-parent="#accordionSolution16">
 <div class="accordion-body">
 <ol style="list-style-type: lower-alpha"><li><p>Because we are explicitly listing the names after
 <code>in</code>, and those contain no white-space. However, for
@@ -1553,7 +1553,7 @@ <h3 id="now-your-turn">Now your turn<a class="anchor" aria-label="anchor" href="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution17" aria-expanded="false" aria-controls="collapseSolution17">
   <h4 class="accordion-header" id="headingSolution17"> Show me the solution </h4>
 </button>
-<div id="collapseSolution17" class="accordion-collapse collapse" data-bs-parent="#accordionSolution17" aria-labelledby="headingSolution17">
+<div id="collapseSolution17" class="accordion-collapse collapse" aria-labelledby="headingSolution17" data-bs-parent="#accordionSolution17">
 <div class="accordion-body">
 <p>First, let’s see where our desired columns are:</p>
 <div class="codewrapper sourceCode" id="cb68">
@@ -1661,7 +1661,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/05-counting-mining.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/06-free-text.html b/instructor/06-free-text.html
index f527fbd5..1b22779c 100644
--- a/instructor/06-free-text.html
+++ b/instructor/06-free-text.html
@@ -547,7 +547,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -925,7 +925,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/06-free-text.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-06-05",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/404.html b/instructor/404.html
index 2c262389..a14aa1c9 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -365,8 +365,8 @@ <h1>Page not found</h1>
   "url": "https://librarycarpentry.github.io/lc-shell/instructor/404.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/404.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index bf0f953d..3bb68f8d 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -387,7 +387,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/CODE_OF_CONDUCT.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index ecae5908..8663a935 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -438,7 +438,7 @@ <h1>Licenses</h1>
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/LICENSE.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index db974c7d..15a10c41 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -728,7 +728,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -806,7 +806,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>To order files in a directory by their filesize, in combination with
 the <code>-l</code> argument:</p>
@@ -1606,7 +1606,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2030,7 +2030,7 @@ <h3 class="callout-title">Adding another pipe<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The <code>cat</code> command outputs whatever it gets as input, so
 you get exactly the same output from</p>
@@ -2086,7 +2086,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>Here we use the <code>wc</code> command with the <code>-w</code>
 (word) flag on all <code>tsv</code> files, <code>sort</code> them and
@@ -2121,7 +2121,7 @@ <h3 class="callout-title">Counting number of files<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb29">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2151,7 +2151,7 @@ <h3 class="callout-title">Writing to files<a class="anchor" aria-label="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2186,7 +2186,7 @@ <h3 class="callout-title">Appending to a file<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb31">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2219,7 +2219,7 @@ <h3 class="callout-title">Counting the number of words<a class="anchor" aria-lab
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>From <code>man wc</code>, you will see that there is a
 <code>-w</code> flag to print the number of words:</p>
@@ -2439,7 +2439,7 @@ <h3 class="callout-title">Automatically adding a date prefix<a class="anchor" ar
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>Using <code>date --help</code> (on Git Bash for Windows or Linux) or
 <code>man date</code> (on macOS or Linux) will show you that the
@@ -2515,7 +2515,7 @@ <h3 class="callout-title">Case sensitive search<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8"> Show me the solution </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb52">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2545,7 +2545,7 @@ <h3 class="callout-title">Case sensitive search in select files<a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution9" aria-expanded="false" aria-controls="collapseSolution9">
   <h4 class="accordion-header" id="headingSolution9"> Show me the solution </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb53">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2575,7 +2575,7 @@ <h3 class="callout-title">Count words (case sensitive)<a class="anchor" aria-lab
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution10" aria-expanded="false" aria-controls="collapseSolution10">
   <h4 class="accordion-header" id="headingSolution10"> Show me the solution </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb54">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2605,7 +2605,7 @@ <h3 class="callout-title">Count words (case insensitive)<a class="anchor" aria-l
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution11" aria-expanded="false" aria-controls="collapseSolution11">
   <h4 class="accordion-header" id="headingSolution11"> Show me the solution </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb55">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2635,7 +2635,7 @@ <h3 class="callout-title">Case insensitive search in select files<a class="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution12" aria-expanded="false" aria-controls="collapseSolution12">
   <h4 class="accordion-header" id="headingSolution12"> Show me the solution </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb56">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2665,7 +2665,7 @@ <h3 class="callout-title">Case insensitive search in select files (whole word)<a
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution13" aria-expanded="false" aria-controls="collapseSolution13">
   <h4 class="accordion-header" id="headingSolution13"> Show me the solution </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb57">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2698,7 +2698,7 @@ <h3 class="callout-title">Searching with regular expressions<a class="anchor" ar
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution14" aria-expanded="false" aria-controls="collapseSolution14">
   <h4 class="accordion-header" id="headingSolution14"> Show me the solution </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb58">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2745,7 +2745,7 @@ <h3 class="callout-title">Finding unique values<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution15" aria-expanded="false" aria-controls="collapseSolution15">
   <h4 class="accordion-header" id="headingSolution15"> Show me the solution </h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb60">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2845,7 +2845,7 @@ <h3 class="callout-title">Why are the variables double-quoted here?<a class="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution16" aria-expanded="false" aria-controls="collapseSolution16">
   <h4 class="accordion-header" id="headingSolution16"> Solutions </h4>
 </button>
-<div id="collapseSolution16" class="accordion-collapse collapse" data-bs-parent="#accordionSolution16" aria-labelledby="headingSolution16">
+<div id="collapseSolution16" class="accordion-collapse collapse" aria-labelledby="headingSolution16" data-bs-parent="#accordionSolution16">
 <div class="accordion-body">
 <ol style="list-style-type: lower-alpha">
 <li><p>Because we are explicitly listing the names after
@@ -2928,7 +2928,7 @@ <h3 id="now-your-turn">Now your turn<a class="anchor" aria-label="anchor" href="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution17" aria-expanded="false" aria-controls="collapseSolution17">
   <h4 class="accordion-header" id="headingSolution17"> Show me the solution </h4>
 </button>
-<div id="collapseSolution17" class="accordion-collapse collapse" data-bs-parent="#accordionSolution17" aria-labelledby="headingSolution17">
+<div id="collapseSolution17" class="accordion-collapse collapse" aria-labelledby="headingSolution17" data-bs-parent="#accordionSolution17">
 <div class="accordion-body">
 <p>First, let’s see where our desired columns are:</p>
 <div class="codewrapper sourceCode" id="cb68">
@@ -3211,7 +3211,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3597,8 +3597,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://librarycarpentry.github.io/lc-shell/instructor/aio.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/aio.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/contribute.html b/instructor/contribute.html
index f71e35be..fcedf56c 100644
--- a/instructor/contribute.html
+++ b/instructor/contribute.html
@@ -390,7 +390,7 @@ <h1>Contribute</h1>
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/contribute.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-08-29",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/discuss.html b/instructor/discuss.html
index f8ef2ada..4610a480 100644
--- a/instructor/discuss.html
+++ b/instructor/discuss.html
@@ -387,7 +387,7 @@ <h1>Discussion</h1>
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/discuss.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-08-29",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/images.html b/instructor/images.html
index 553a4ad8..bef77029 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -421,8 +421,8 @@ <h3 id="05-counting-mining-figure-1">Figure 1</h3>
   "url": "https://librarycarpentry.github.io/lc-shell/instructor/images.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/images.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index 11d618f9..25ee20e4 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -546,8 +546,8 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
   "url": "https://librarycarpentry.github.io/lc-shell/instructor/index.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/index.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 5332dcd0..3c6dd83a 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -731,8 +731,8 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
   "url": "https://librarycarpentry.github.io/lc-shell/instructor/instructor-notes.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/instructor-notes.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 7369e7fe..7be68442 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -442,8 +442,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-shell/instructor/key-points.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index c541af3b..333c653c 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -336,8 +336,8 @@ <h1>Learner Profiles</h1>
   "url": "https://librarycarpentry.github.io/lc-shell/instructor/profiles.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index edb43fe9..703165e8 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -502,7 +502,7 @@ <h3 id="shell-working-with-free-text">Shell: Working with Free Text<a class="anc
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/reference.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-08",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index 4f218adb..b10d1a17 100644
--- a/key-points.html
+++ b/key-points.html
@@ -440,8 +440,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-shell/key-points.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index 0a983b24..401e1e35 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,4 +2,4 @@ pandoc: 3.1.11
 pkgdown: 2.1.0
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-07-09T00:06Z
+last_built: 2024-07-16T00:06Z
diff --git a/profiles.html b/profiles.html
index 4baabbd9..b1038016 100644
--- a/profiles.html
+++ b/profiles.html
@@ -336,8 +336,8 @@ <h1>Learner Profiles</h1>
   "url": "https://librarycarpentry.github.io/lc-shell/profiles.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-07-09",
-  "datePublished": "2024-07-09"
+  "dateModified": "2024-07-16",
+  "datePublished": "2024-07-16"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 30f2342f..249d8cc6 100644
--- a/reference.html
+++ b/reference.html
@@ -500,7 +500,7 @@ <h3 id="shell-working-with-free-text">Shell: Working with Free Text<a class="anc
   "identifier": "https://librarycarpentry.github.io/lc-shell/reference.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-08",
-  "datePublished": "2024-07-09"
+  "datePublished": "2024-07-16"
 }
 
   </script><script>