London | DONARA BLANC | Module Tools | SPRINT 1 | Individual-Shell-Tools

individual-shell-tools/awk/script-01.sh

@@ -4,3 +4,12 @@ set -euo pipefail
 
 # TODO: Write a command to output just the names of each player in `scores-table.txt`.
 # Your output should contain 6 lines, each with just one word on it.
+
+awk '{print $1}' scores-table.txt
+
+Ahmed
+Basia
+Mehmet
+Leila
+Piotr
+Chandra

individual-shell-tools/awk/script-02.sh

@@ -4,3 +4,10 @@ set -euo pipefail
 
 # TODO: Write a command to output the names of each player, as well as their city.
 # Your output should contain 6 lines, each with two words on it, separated by a space.
+awk '{print $1, $2}' scores-table.txt
+Ahmed London
+Basia London
+Mehmet Birmingham
+Leila London
+Piotr Glasgow
+Chandra Birmingham

individual-shell-tools/awk/script-03.sh

@@ -5,3 +5,10 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player along with the score from their first attempt.
 # Your output should contain 6 lines, each with one word and one number on it.
 # The first line should be "Ahmed 1".
+awk '{print $1, $3}' scores-table.txt
+Ahmed 1
+Basia 22
+Mehmet 3
+Leila 1
+Piotr 15
+Chandra 12

individual-shell-tools/awk/script-04.sh

@@ -5,3 +5,8 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player in London along with the score from their last attempt.
 # Your output should contain 3 lines, each with one word and one number on it.
 # The first line should be "Ahmed 4".
+
+awk '/London/ { if (NF<5) print $1, $NF; else print $1, $5}' scores-table.txt
+Ahmed 4
+Basia 6
+Leila 1

individual-shell-tools/awk/script-05.sh

@@ -5,3 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player along with the number of times they've played the game.
 # Your output should contain 6 lines, each with one word and one number on it.
 # The first line should be "Ahmed 3".
+awk '{print $1, NF-2}' scores-table.txt

individual-shell-tools/awk/script-06-stretch.sh

@@ -6,3 +6,4 @@ set -euo pipefail
 
 # TODO: Write a command to output the total of adding together all players' first scores.
 # Your output should be exactly the number 54.
+awk '{sum += $3} END{print sum}' scores-table.txt

individual-shell-tools/awk/script-07-stretch.sh

@@ -7,3 +7,4 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player along with the total of adding all of that player's scores.
 # Your output should contain 6 lines, each with one word and one number on it.
 # The first line should be "Ahmed 15". The second line should be "Basia 37"
+awk '{ for(i = 3; i <= NF; i++) sum += $i; print $1, sum; sum = 0 }' scores-table.txt

individual-shell-tools/cat/script-01.sh

@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output the contents of the helper-1.txt file inside the helper-files directory to the terminal.
 # The output of this command should be "Once upon a time...".
+
+cat ..helper-files/helper-1.txt 

individual-shell-tools/cat/script-02.sh

@@ -11,3 +11,5 @@ set -euo pipefail
 # It looked delicious.
 # I was tempted to take a bite of it.
 # But this seemed like a bad idea...
+
+cat ../helper-files/*.text # I got hungry when reading the output

individual-shell-tools/cat/script-03.sh

@@ -9,3 +9,5 @@ set -euo pipefail
 # 1 It looked delicious.
 # 2 I was tempted to take a bite of it.
 # 3 But this seemed like a bad idea...
+
+cat ../helper-files/helper-3.txt | nl # ordered by numbers 

individual-shell-tools/cat/script-04-stretch.sh

@@ -13,3 +13,8 @@ set -euo pipefail
 # 3 It looked delicious.
 # 4 I was tempted to take a bite of it.
 # 5 But this seemed like a bad idea...
+
+# i didn't get this phrase "we want line numbers not to reset at the start of each file."
+# so there are two ways to do it
+cat -n ../helper-files/*txt # -n number the blank lines and filled out lines
+cat ../helper-files/*.txt | nl # skips the blank lines and comes only filled out lines

individual-shell-tools/grep/script-01.sh

@@ -4,3 +4,12 @@ set -euo pipefail
 
 # TODO: Write a command to output every line in dialogue.txt said by the Doctor.
 # The output should contain 6 lines.
+
+grep ^Doctor dialogue.txt # i tried to use the "" quotes but my terminal didnt accept that
+
+Doctor: Hello
+Doctor: What's wrong today?
+Doctor: That sounds frustrating. When did this start?
+Doctor: Say "Hi".
+Doctor: You didn't say hello
+Doctor: You're welcome, goodbye

individual-shell-tools/grep/script-02.sh

@@ -4,3 +4,15 @@ set -euo pipefail
 
 # TODO: Write a command to output every line in dialogue.txt that contains the word Doctor (regardless of case).
 # The output should contain 9 lines.
+
+grep -i Doctor dialogue.txt
+
+Doctor: Hello
+Patient: Hello Doctor
+Doctor: What's wrong today?
+Doctor: That sounds frustrating. When did this start?
+Doctor: Say "Hi".
+Doctor: You didn't say hello
+Doctor: You're welcome, goodbye
+Patient: I went to the doctor!
+Spouse: I'm glad you saw the Doctor: did they cure you?

individual-shell-tools/grep/script-03.sh

@@ -4,3 +4,6 @@ set -euo pipefail
 
 # TODO: Write a command to output the number of lines in dialogue.txt that contain the word Doctor (regardless of case).
 # The output should be exactly the number 9.
+
+rep Doctor -ic dialogue.txt
+9

individual-shell-tools/grep/script-04.sh

@@ -4,3 +4,16 @@ set -euo pipefail
 
 # TODO: Write a command to output every line in dialogue.txt that does not contain the word "Hello" (regardless of case).
 # The output should contain 10 lines.
+
+grep hello -iv dialogue.txt
+
+Doctor: What's wrong today?
+Doctor: That sounds frustrating. When did this start?
+Doctor: Say "Hi".
+Patient: Hi
+Patient: I seem to be cured!
+Doctor: You're welcome, goodbye
+
+Patient: I went to the doctor!
+Spouse: I'm glad you saw the Doctor: did they cure you?
+Patient: Yes!

individual-shell-tools/grep/script-05.sh

@@ -4,3 +4,11 @@ set -euo pipefail
 
 # TODO: Write a command to output every line in dialogue.txt that contains the string "cure", as well as the line before that line.
 # The output should contain two pairs of two lines of text (with a separator between them).
+
+grep cure -B1 dialogue.txt
+
+Doctor: You didn't say hello
+Patient: I seem to be cured!
+--
+Patient: I went to the doctor!
+Spouse: I'm glad you saw the Doctor: did they cure you?

individual-shell-tools/grep/script-06.sh

@@ -4,3 +4,9 @@ set -euo pipefail
 
 # TODO: Write a command to output the name of every `.txt` file in this directory which contains a line of dialogue said by the Doctor.
 # The output should contain two filenames.
+
+grep Doctor -il *.txt
+
+dialogue.txt
+dialogue-2.txt
+dialogue-3.txt

individual-shell-tools/grep/script-07.sh

@@ -4,3 +4,16 @@ set -euo pipefail
 
 # TODO: Write a command to output, for each `.txt` file in this directory, how many lines of dialogue the Doctor has.
 # The output should show that dialogue.txt contains 6 lines, dialogue-2.txt contains 2, and dialogue-3.txt contains 0.
+
+grep ^Doctor -c *.txt # this command gaves the expected output
+
+dialogue.txt:6
+dialogue-2.txt:2
+dialogue-3.txt:0
+
+grep ^ Doctor -c *.txt # however here i put a space between the carrot and the search name and it gave me a different output, and i dont know why
+
+grep: Doctor: No such file or directory
+dialogue.txt:15
+dialogue-2.txt:4
+dialogue-3.txt:3

individual-shell-tools/ls/script-01.sh

@@ -13,3 +13,6 @@ fi
 
 # TODO: Write a command to list the files and folders in this directory.
 # The output should be a list of names including child-directory, script-01.sh, script-02.sh, and more.
+
+ls # the commmand to list the files
+

individual-shell-tools/ls/script-02.sh

@@ -4,3 +4,6 @@ set -euo pipefail
 
 # TODO: Write a command which lists all of the files in the directory named child-directory.
 # The output should be a list of names: helper-1.txt, helper-2.txt, helper-3.txt.
+
+# I first typed command ls -l which gives me the files list and then 
+ls child-directory 

individual-shell-tools/ls/script-03.sh

@@ -5,3 +5,5 @@ set -euo pipefail
 # TODO: Write a command which _recursively_ lists all of the files and folders in this directory _and_ all of the files inside those folders.
 # The output should be a list of names including: child-directory, script-01.sh, helper-1.txt (and more).
 # The formatting of the output doesn't matter.
+
+ls -R

individual-shell-tools/ls/script-04.sh

@@ -16,8 +16,11 @@ echo "First exercise (sorted newest to oldest):"
 # TODO: Write a command which lists the files in the child-directory directory, one per line, sorted so that the most recently modified file is first.
 # The output should be a list of names in this order, one per line: helper-3.txt, helper-1.txt, helper-2.txt.
 
+ls -t child-directory # sorts from the newest to the oldest
 
 echo "Second exercise (sorted oldest to newest):"
 
 # TODO: Write a command which does the same as above, but sorted in the opposite order (oldest first).
 # The output should be a list of names in this order, one per line: helper-2.txt, helper-1.txt, helper-3.txt.
+
+ls -tr child- directory 

individual-shell-tools/sed/script-01.sh

@@ -5,3 +5,17 @@ set -euo pipefail
 # TODO: Write a command to output input.txt with all occurrences of the letter `i` replaced with `I`.
 # The output should contain 11 lines.
 # The first line of the output should be: "ThIs Is a sample fIle for experImentIng with sed.".
+
+sed s/i/I/g input.txt
+
+ThIs Is a sample fIle for experImentIng wIth sed.
+
+It contaIns many lInes, and there are some thIngs you may want to do wIth each of them.       
+
+We'll Include some score InformatIon:
+37 AlIsha
+15 Jacob
+7 PIetro
+3 Katya
+
+We also should remember, when we go shoppIng, to get 4 Items: oranges,cheese,bread,olIves.

individual-shell-tools/sed/script-02.sh

@@ -5,3 +5,17 @@ set -euo pipefail
 # TODO: Write a command to output input.txt with numbers removed.
 # The output should contain 11 lines.
 # Line 6 of the output should be " Alisha".
+
+sed 's/[0-9]*//g' input.txt # however Alisha is not on the 6 line 
+
+This is a sample file for experimenting with sed.
+
+It contains many lines, and there are some things you may want to do with each of them.       
+
+We'll include some score information:
+ Alisha
+ Jacob
+ Pietro
+ Katya
+
+We also should remember, when we go shopping, to get  items: oranges,cheese,bread,olives.

individual-shell-tools/sed/script-03.sh

@@ -4,3 +4,11 @@ set -euo pipefail
 
 # TODO: Write a command to output input.txt removing any line which contains a number.
 # The output should contain 6 lines.
+
+sed -e '/[0-9]/d' input.txt # my output is only 4 lines instead of 6
+
+This is a sample file for experimenting with sed.
+
+It contains many lines, and there are some things you may want to do with each of them.       
+
+We'll include some score information:

individual-shell-tools/sed/script-04.sh

@@ -4,3 +4,17 @@ set -euo pipefail
 
 # TODO: Write a command to output input.txt replacing every occurrence of the string "We'll" with "We will".
 # The output should contain 11 lines.
+
+sed "s/We'll/We will/g" input.txt
+
+This is a sample file for experimenting with sed.
+
+It contains many lines, and there are some things you may want to do with each of them.       
+
+We will include some score information:
+37 Alisha
+15 Jacob
+7 Pietro
+3 Katya
+
+We also should remember, when we go shopping, to get 4 items: oranges,cheese,bread,olives. 

individual-shell-tools/sed/script-05.sh

@@ -6,3 +6,17 @@ set -euo pipefail
 # If a line starts with a number and a space, make the line instead end with a space and the number.
 # So line 6 which currently reads "37 Alisha" should instead read "Alisha 37".
 # The output should contain 11 lines.
+
+sed -E 's/^([0-9]+) (.*)$/\2 \1/' input.txt
+
+This is a sample file for experimenting with sed.
+
+It contains many lines, and there are some things you may want to do with each of them.       
+
+We'll include some score information:
+Alisha 37
+Jacob 15
+Pietro 7
+Katya 3
+
+We also should remember, when we go shopping, to get 4 items: oranges,cheese,bread,olives. 

individual-shell-tools/sed/script-06.sh

@@ -8,3 +8,17 @@ set -euo pipefail
 # The output should contain 11 lines.
 # Line 3 should be "It contains many lines, and there are some things you may want to do with each of them.".
 # Line 11 should be "We also should remember, when we go shopping, to get 4 items: oranges, cheese, bread, olives.".
+
+sed 's/, */, /g' input.txt
+
+This is a sample file for experimenting with sed.
+
+It contains many lines, and there are some things you may want to do with each of them.       
+
+We'll include some score information:
+37 Alisha
+15 Jacob
+7 Pietro
+3 Katya
+
+We also should remember, when we go shopping, to get 4 items: oranges, cheese, bread, olives. 

individual-shell-tools/wc/script-01.sh

@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output the number of words in the file helper-files/helper-3.txt.
 # The output should include the number 19. The output should not include the number 92.
+
+wc -w ../helper-files/helper-3.txt 

individual-shell-tools/wc/script-02.sh

@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output the number of lines in the file helper-files/helper-3.txt.
 # The output should include the number 3. The output should not include the number 19.
+
+wc -l ../helper-files/helper-3.txt # it gives the 3 lines of the text in the file

individual-shell-tools/wc/script-03.sh

@@ -8,3 +8,4 @@ set -euo pipefail
 #        1       7      39 ../helper-files/helper-2.txt
 #        3      19      92 ../helper-files/helper-3.txt
 #        5      30     151 total
+wc ../helper-files/*.txt # the same as with cat the star *