file='email.txt';
lab='L7'

for dotc in `cd $lab; ls; cd ..`; do 
	((i=i+1)); 
	tmp=$(mktemp)
	tmp=`echo $tmp | sed 's/\/tmp\/tmp.//'`
	roll=`echo $dotc | sed 's/\.awk//'`
	email="$roll@smail.iitm.ac.in";
	echo $i ": " $email ": " $tmp
	mv $lab/$dotc $lab/$tmp
	echo ""	> $file;
	echo "Hello Student ($roll)," >> $file;
	echo "" >> $file
	echo "Your $lab submission is available at the url below. Please feel free to download for your learning / debugging / future use purposes." >> $file
	echo "https://cse.iitm.ac.in/~rupesh/teaching/ssad/jan26/$lab/$tmp" >> $file
	echo "" >> $file
	echo "Mentor TAs and Rupesh." >> $file
	echo "" >> $file
	#cat $file
	sendemail -f "Rupesh Nasre. <rupesh@iitm.ac.in>" -t "$email" -o message-file=email.txt -u "CS1234 Lab Submission" -s iitmr2.iitm.ac.in:587 -xu rupesh -xp "Rupesh's password"
	#sleep 20
done