my %fd = (
  'file1'         => 'fd1',
  '/tmp/foo       => 'fd2',
  '/home/me/file' => 'fd3',
);

my $in = shift || die "No file specified.\n";
open IN. $in or die "Cannot open $in for input: $!\n";
foreach( keys %fd ) {
  open $fd{$_}, ">$_" or die "Cannot open $_ for output: $!\n";
}
while( <IN> ) {
  foreach my $fd( keys %fd ) {
    print $fd $_;
  }
}
foreach( keys %fd ) {
  close $fd{$_};
}