windows directory path not working in perl

[Arghya Das]

#copies 1 file to another

use warnings;

use File::Copy;

copy("FILE1.txt","new_file.txt");



This script works if FILE1.txt is in current directory of windows but when
i try to give a full path to a file like : "C:\Folder1\FILE1.txt" it doesnt
work.

This is the same with rename and unlink functions of perl;


please help.