Homework 10 – awk and sed solutions (q1 Alice, q2 Sherlock)

q1.sh

@@ -1 +1,7 @@
-This is q1 answer
+#!/bin/bash
+awk 'END {print NR}' aliceinwonderland.txt
+awk '{for (i=1; i<=NF; i++) if ($i=="Alice") count++} END { print count }' aliceinwonderland.txt
+sed -E 's/[[:space:]]+/\n/g' aliceinwonderland.txt | awk 'NF {a[$1]++} END {for (k in a) if(a[k]==1) print k}'
+sed -E 's/[[:space:]]+/\n/g' aliceinwonderland.txt | awk 'NF {a[$1]++} END {for (k in a) print a[k], k}' | sort -nr | head -5
+awk '{for (i=1; i<=NF; i++) {sum += length($i); cnt++}} END{print sum/cnt}' aliceinwonderland.txt
+# I learned how to use a for-loop in awk with the help of ChatGPT

q2.sh

@@ -0,0 +1,5 @@
+sed -nE '/(Holmes|Sherlock)/p' sherlockholmes.txt | wc -l
+sed -E 's/[[:punct:]]/ /g; s/[[:space:]]+/\n/g' sherlockholmes.txt | sed -nE '/^(Sherlock|Holmes)$/p' | wc -l
+sed -E '/^.{70,}$/c\Long line' sherlockholmes.txt
+sed -E 's/([A-Z]){1}([a-z])+ ([A-Z]){1}([a-z])+/Almog Maman/g' sherlockholmes.txt
+sed 's/(/[/g' sherlockholmes.txt | sed 's/)/]/g'