Omri naftali

q1.sh

@@ -1 +1,86 @@
-This is q1 answer
+#!/bin/bash
+#q1.sh
+
+file="aliceinwonderland.txt"
+
+# question a
+
+awk 'END { print "The book has", NR, "rows" }' "$file"
+
+# question b
+
+echo
+
+awk '{ total += gsub(/ Alice /, "") } END { print "The word Alice appears", total, "times" }' "$file"
+
+# question c
+
+echo
+
+awk '
+{
+	for (i = 1; i <= NF; i++) {
+		count[$i]++
+	}
+}
+END {
+	print "Words that appear only once:"
+	for (word in count) {
+		if (count[word] == 1)
+			print word
+	}
+}
+' "$file"
+
+# question d
+
+echo
+
+echo "The top 5 most common words in the book are:"
+
+awk '
+{
+	for (i = 1; i <= NF; i++) {
+		count[$i]++
+	}
+}
+END {
+	for (word in count) {
+		printf "%d %s\n", count[word], word
+	}
+}
+' "$file" | sort -nr | head -5
+
+# question e
+
+echo
+
+awk '
+{
+	for (i = 1; i <= NF; i++) {
+		tot_length += length($i)
+		tot_words++
+	}
+}
+END {
+	print "The average word length in the book is", tot_length / tot_words
+}
+' "$file"
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q2.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+#q2.sh
+
+file="sherlockholmes.txt"
+
+# question 1
+
+sed -n '/Sherlock\|Holmes/p' "$file" | wc -l
+
+# question 2
+
+sed 's/ /\n/g' "$file" | grep -c -E 'Sherlock|Holmes'
+
+# question 3
+
+sed 's/^.\{71,\}$/Long line/' "$file"
+
+# question 4
+
+sed 's/\<[A-Z][A-Za-z]\{2,\} [A-Z][A-Za-z]\{2,\}\>/Omri Naftali/g' "$file"
+
+# question 5
+
+sed 's/(\([^)]*\))/[\1]/g' "$file"