#!/usr/bin/perl use warnings; use strict; use IPC::Open3; use Test::More tests => 1; use File::Spec; my $devnull = File::Spec->devnull; # Hide undesired output. open(STDOUT, '>', $devnull); open(STDERR, '>', $devnull); # Associate STDOUT and STDERR with # descriptors other than 1 and 2. open(local *STDOUT, '>', $devnull); open(local *STDERR, '>', $devnull); open3( undef, local *PIPE, undef, qq!$^X -le "print 111;print STDERR 222"!, ); my $pipe = ''; $pipe .= $_ while ; is($pipe, "111\n222\n"); __END__