4 if (!PerlIO::Layer->find('perlio') || $ENV{PERLIO} eq 'stdio') {
5 print "1..0 # Skip: not perlio\n";
8 require "../../t/test.pl";
18 switches => ['-MIPC::Open3', '-w'],
19 prog => 'open3(q _<&1_, my $out, undef, $ENV{PERLEXE}, q_-e0_)',
23 unlike $stderr, qr/open3/,
24 "dup STDIN in a child process by using its file descriptor";