(i) All the directories in the path $dir1 are exist, but it will be usefull to know, if I can create directories in the way of copy. (ii)I have permission to write to the directories, but even if I want just to open the directory, it's not working. (iii)my $dir=shift; while $#ARGV includes input like=> c:\perl If I will give to the $dir1 permanent path, everything will work.