- my $paste_child= open PIPEVAL_PASTE, "-|";
- defined $paste_child or die $!;
- if (!$paste_child) { print $val or die $!; exit 0; }
-
- my $f= 'PIPEVAL_PASTE';
-
-$_=<$f>;
-print STDERR ">$_<\n";
-
- foreach my $cmd (@cmds) {
- my $newf;
-print STDERR "$cmd | $f\n";
- push @pids, open2($newf, "<& $f", $cmd);
-# if (@pids>1) { close $f or die $!; }
-print STDERR "$cmd | $f $newf @pids\n";
- $f= $newf;
+ my $lastpipe;
+
+ foreach my $cmd ('',@cmds) {
+ my $pipe= new IO::Pipe or die $!;
+ my $pid= fork(); defined $pid or die $!;
+
+ if (!$pid) {
+ $pipe->writer();
+ if (!$lastpipe) {
+ print $pipe $val or die $!;
+ exit 0;
+ } else {
+ open STDIN, '<&', $lastpipe or die $!;
+ open STDOUT, '>&', $pipe or die $!;
+ close $lastpipe or die $!;
+ close $pipe or die $!;
+ exec $cmd; die $!;
+ }
+ }
+ $pipe->reader();
+ if ($lastpipe) { close $lastpipe or die $!; }
+ $lastpipe= $pipe;
+ push @pids, $pid;