$file = 'c:\test.txt';
open F, ">$file" or die "Can't open $file $!\n";
# uncomment this to gain permission to unlink $file...
# close F;
unlink $file or die "Can't unlink $file $!\n";
####
$file = "c:\\test.txt";
`dir c: > $file`;
unlink $file or die "Can't unlink $file $!\n";
##
##
perl somscript.pl > somefile.txt; del somefile.txt