#!/bin/sh
while true
do
echo  "*******MENU*********"
	echo  "
		1. Copying files.
		2. Removing files.
		3. Renaming files.
		press [CTRL+C] TO EXIT"
echo  "enter your choice "
read ch
case "$ch" in 
1)echo "Enter the old file name."
	read ofile
	echo "Enter the new file name."
	read nfile
	cp $ofile $nfile && echo "Copied sucessfully." || echo "Copy is not possible";;

2) echo "Enter the file name to remove."
	read rfile
	rm -f $rfile && echo "Removed sucessfully.";;

3) echo echo "Enter the old file name."
	read ofile
	echo "Enter the new file name."
	read nfile
	mv $ofile $nfile && echo "The file $ofile renamed to $nfile." || echo "Rename files is not possible";; *)
echo "Invalid Option"
esac
done