ADD: pycon presentation slides

.gitignore

@@ -1,24 +1,18 @@
 .env/
 2017-10-22-codeconf/example1-higgs-big/*.[ct]sv
 2017-10-22-codeconf/example1-higgs-big/HIGGS.csv.gz
-2017-10-22-codeconf/presentation/cmd-awk-2017-kirill-pavlov.aux
-2017-10-22-codeconf/presentation/cmd-awk-2017-kirill-pavlov.dvi
-2017-10-22-codeconf/presentation/cmd-awk-2017-kirill-pavlov.log
-2017-10-22-codeconf/presentation/cmd-awk-2017-kirill-pavlov.nav
-2017-10-22-codeconf/presentation/cmd-awk-2017-kirill-pavlov.out
-2017-10-22-codeconf/presentation/cmd-awk-2017-kirill-pavlov.snm
-2017-10-22-codeconf/presentation/cmd-awk-2017-kirill-pavlov.synctex.gz
-2017-10-22-codeconf/presentation/cmd-awk-2017-kirill-pavlov.toc
-2017-10-22-codeconf/presentation/cmd-awk-2017-kirill-pavlov.vrb
 2017-10-22-codeconf/presentation/_minted-cmd-awk-2017-kirill-pavlov/
 *.sqlite
 *.pyc
-2017-11-04-pycon/presentation/jsonrpc-2017-kirill-pavlov.aux
-2017-11-04-pycon/presentation/jsonrpc-2017-kirill-pavlov.log
-2017-11-04-pycon/presentation/jsonrpc-2017-kirill-pavlov.nav
-2017-11-04-pycon/presentation/jsonrpc-2017-kirill-pavlov.out
-2017-11-04-pycon/presentation/jsonrpc-2017-kirill-pavlov.snm
-2017-11-04-pycon/presentation/jsonrpc-2017-kirill-pavlov.synctex.gz
-2017-11-04-pycon/presentation/jsonrpc-2017-kirill-pavlov.toc
-2017-11-04-pycon/presentation/jsonrpc-2017-kirill-pavlov.vrb
 2017-11-04-pycon/presentation/_minted-jsonrpc-2017-kirill-pavlov/
+
+# LaTeX files
+*.aux
+*.log
+*.nav
+*.out
+*.snm
+*.synctex.gz
+*.toc
+*.vrb
+2017-11-05-pycon/presentation/_minted-cmd-awk-2017-kirill-pavlov/

2017-11-05-pycon/example1-higgs-big

@@ -0,0 +1 @@
+../2017-10-22-codeconf/example1-higgs-big/

2017-11-05-pycon/example2-awk-intro/Makefile

@@ -0,0 +1,33 @@
+.PHONY: help
+# target: help - Display callable targets
+help:
+	@egrep "^# target:" [Mm]akefile
+
+.PHONY: csv2tsv
+# target: csv2tsv - Convert csv data to tab separated file
+csv2tsv:
+	cat <(printf '# ') <(cat pycon-schedule.csv) | tr ',' '\t' > pycon-schedule.tsv
+
+.PHONY: example1
+example1:
+	cat pycon-schedule.tsv \
+	    | tawk -o 'speaker' -f 'speaker' \
+	    | tsrt -N \
+	    | uniq \
+	    | wc -l
+
+.PHONY: example2
+example2:
+	cut -d, -f5 pycon-schedule.csv \
+	    | tail -n+2 \
+	    | awk '{for(i=1; i<=NF; i++) w[$$i]++}END{for(i in w) print w[i], i}' \
+	    | sort -r \
+	    | head
+
+.PHONY: example3
+example3:
+	cat pycon-schedule.tsv \
+	    | tawk -a -f 'speaker' -o 'key=timeslot if day == 1 else gensub("-", "+", "g", timeslot)' \
+	    | tgrp -k key -g 'day=FIRST(day)' -g 'timeslot=FIRST(timeslot)' -g 'venue=FIRST(venue)' -g 'speaker=FIRST(speaker)' -g 'title=FIRST(title)' -g 'sessions=COUNT()' \
+	    | tawk -o 'day;timeslot;venue;speaker;title' -f 'sessions==1' \
+	    | tpretty

2017-11-05-pycon/example2-awk-intro/README.md

@@ -14,10 +14,13 @@ There are 15 unique speakers.
 cut -d, -f5 pycon-schedule.csv | tail -n+2 | awk '{for(i=1; i<=NF; i++) w[$i]++}END{for(i in w) print w[i], i}' | sort -r | head
 ```
 
+Python! (Who could have guessed?)
+
 3. Filter unique talks (one talk at a time).
 
-Not all of the functions implemented, however, there are workarounds.
-It is possible to combine two keys. For day 1 use timeslot, for day 2 use timeslot with substituted character
+Not all of the functions implemented, however, there are workarounds. For example, there is no support for composite group key.
+
+It is possible to combine two keys in a tricky way. For day 1 use timeslot, for day 2 use timeslot with substituted character
 
 ```bash
 cat pycon-schedule.tsv \

2017-11-05-pycon/example3-stock-market

@@ -0,0 +1 @@
+../2017-10-22-codeconf/example3-stock-market/