#!/bin/bash

#part a. count number of lines
echo "Number of lines in both text files:"
wc -l ATaleofTwoCities.txt AliceInWonderland.txt

#part b. count word london/paris
echo "'London' appears " $(grep -c 'London' ATaleofTwoCities.txt) " times."
#grep -c 'London' ATaleofTwoCities.txt
echo "'Paris' appears " $(grep -c 'Paris' ATaleofTwoCities.txt) " times."
#grep -c 'Paris' ATaleofTwoCities.txt

#part c. count vowels, count the and replace with 'ABC'
echo "Number of vowels in ATaleofTwoCities: " $(egrep -ci 'a|e|i|o|u' ATaleofTwoCities.txt)
echo "Numbers of vowels in AliceInWonderland: " $(egrep -ci 'a|e|i|o|u' AliceInWonderland.txt)

echo "'the' appears " $(grep -cw 'the' ATaleofTwoCities.txt) " times in ATaleofTwoCities."
echo "'the' appears " $(grep -cw 'the' AliceInWonderland.txt) " times in AliceInWonderland."
sed -i 's/the/ABC/g' ATaleofTwoCities.txt
sed -i 's/the/ABC/g' AliceInWonderland.txt

#part d. print all different types of characters