}
my $cd = $opts->{'-C'} // ''; # undef => NULL mapping doesn't work?
my $pid = pi_fork_exec($redir, $f, $cmd, \@env, $rlim, $cd);
}
my $cd = $opts->{'-C'} // ''; # undef => NULL mapping doesn't work?
my $pid = pi_fork_exec($redir, $f, $cmd, \@env, $rlim, $cd);