in reply to system commands
You can open a handle to a pipe, then print to the handle (*nix type example, but you get the idea):
open(PIPE, '| /bin/cat') or die "Could not open PIPE\n"; print PIPE "test123\n"; print PIPE "test456\n"; close PIPE or die "Could not close PIPE\n";
In Section
Seekers of Perl Wisdom