the bullet proof way: 
my $pid = fork;
if (defined $pid and $pid == 0) {
  open STDOUT, ">", $fn or die;
  exec $script, @args;
  exit 1;
}
if ($pid) {
  waitpid($pid);
  $? and die "error on child: $?"
}
else {
  die "unable to fork: $!";
}

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In reply to Re^5: How to print STDOUT to a file by salva
in thread How to print STDOUT to a file by Anonymous Monk

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