added solution to q2

q2/q2.sh

+#!/bin/sh
+#converting whitespaces to new line in temp file
+sed -e 's/[\t ]\+/\n/g' -e 's/https/\nhttps/g' $1 >temp 
+#saving all urls
+sed -n '/https\:\/\/www\.cse\.iitb\.ac\.in[/][~][^ ]\+/p' temp >url
+#removing all urls from inputfile
+sed -i -e 's/http[s]\?\:\/\/[^ ]\+/ /g' -e  's/[^ ]\+[.]\(com\|in\|org\|net\|co\|us\|edu\|gov\)[^ ]\?/ /g' $1
+sed -i -e 's/[\t ]\+/ /g' $1
+rm temp
+ 
\ No newline at end of file

q2/test.sh

-rm -f url
-./q2.sh testcase/input/input1
-diff -Z testcase/output/output1 url > result
-if [[ -s result ]];
-then
-	echo failed
-else
-	echo passed
-fi
-
-rm result
-
-diff -Z testcase/input/input1 testcase/input/input1_cleaned > result
-if [[ -s result ]];
-then
-	echo failed
-else
-	echo passed
-fi
-
-rm result