Ex 10 - Maya Apter

q1.sh

@@ -1 +1,20 @@
-This is q1 answer
+#!/bin/bash
+#a
+echo "number of rows:"
+awk '{print NR}' aliceinwonderland.txt | tail -n 1
+#b
+echo "number of times Alice appear:"
+awk '/ Alice / {count++} END {print count}' aliceinwonderland.txt
+#c
+echo "words appear 1 times:"
+cat aliceinwonderland.txt | tr -dc '[:alpha:][:space:]' | tr -s ' ' '\n' | tr '[:upper:]' '[:lower:]' | sort | uniq -c | sort -rn | awk '$1 == 1 {print $2}'
+
+#d
+echo " 5 most freuqency words:"
+cat aliceinwonderland.txt | tr -dc '[:alpha:][:space:]' | tr -s ' ' '\n' | tr '[:upper:]' '[:lower:]' |sort | uniq -c | sort -rn | head -n 5
+
+#e
+echo "the average:"
+cat aliceinwonderland.txt | tr -d '[:punct:]' | tr -s ' ' '\n' | awk '{count += length($0)}{words += NF} END {print count/words}'
+
+#assitents in ai to understand how to keep in the words only  alpha and space - tr -dc '[:alpha:][:space:]'

q2.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+#a
+sed -rn '/Sherlock|Holmes/p' sherlockholmes.txt | wc -l
+#b
+cat sherlockholmes.txt  | tr -s ' ' '\n' | tr -dc '[:alpha:][:space:]' |sed -rn '/^Sherlock$|^Holmes$/p' | wc -l
+#c
+sed -E -i 's/^.{71,}$/Long line/' sherlockholmes.txt
+#d
+sed -E -i 's/\b[[:upper:]][[:alpha:]]+\b/Maya/g' sherlockholmes.txt
+#e
+sed -E -i 's/\(([^)]*)\)/[\1]/g' sherlockholmes.txt