q1 and q2

q1.sh

@@ -1 +1,13 @@
-This is q1 answer
+awk '{print NR}' aliceinwonderland.txt | tail -1
+#3325
+awk '{count += gsub(/ Alice /, "")} END {print count+0}' aliceinwonderland.txt 
+#155
+awk '{gsub(/^[[:punct:]]|[[:punct:]]$/, ""); a[$0]++} END{for (w in a) print w,a[w]}' RS='[[:space:]]' aliceinwonderland.txt | awk '$2==1 {print $1}'
+awk '{gsub(/[[:punct:]]/, "")} 1' RS='[[:space:]]' aliceinwonderland.txt | sort | uniq -c | sort | tail -6 | head -5
+   # 498 she
+   # 610 a
+   # 717 to
+   # 774 and
+  # 1514 the
+awk '{gsub(/[[:punct:]]/, "")} 1' RS='[[:space:]]' aliceinwonderland.txt | awk '/./' | awk '{sum += length($0)} END {print sum / NR}'
+#4.08109

q2.sh

@@ -0,0 +1,7 @@
+sed -n '/\(Sherlock\|Holmes\)/p' sherlockholmes.txt | wc -l
+#463
+grep -o '\b\(Sherlock\|Holmes\)\b' sherlockholmes.txt | sed -n '$='
+#554
+sed -i -e 's/^/Hello:/' sherlockholmes.txt
+sed -r 's/([A-Z][a-z]{2,}) ([A-Z][a-z]{2,})/Tamar Katzir/g' sherlockholmes.txt
+sed -rn -i 's/\(([^)]*)\)/[\1]/gp; t; p' sherlockholmes.txt