$meta->{files}{prog}{run}->($meta->{files}{prog}{name}, fds => [qw/0 input 1 >output/], map {defined $meta->{$_} ? ($_ => $meta->{$_}) : () } qw/timeout olimit mlimit/);
try {
$meta->{files}{prog}{run}->($meta->{files}{prog}{name}, fds => [qw/0 input 1 >output/], map {defined $meta->{$_} ? ($_ => $meta->{$_}) : () } qw/timeout olimit mlimit/);
try {