#!./perl

# $Header: io.dup,v 3.0 89/10/18 15:26:15 lwall Locked $

print "1..6\n";

print "ok 1\n";

open(dupout,">&STDOUT");
open(duperr,">&STDERR");

open(STDOUT,">Tmp.Dup1") || die "Can't open stdout";
open(STDERR,">Tmp.Dup2") || die "Can't open stderr";

select(STDERR); $| = 1;
select(STDOUT); $| = 1;

print STDOUT "ok 2\n";
print STDERR "ok 3\n";
system 'echo ok 4';
system 'echo ok 5 1>&2';

close(STDOUT);
close(STDERR);

open(STDOUT,">&dupout");
open(STDERR,">&duperr");

system 'join Tmp.Dup1 Tmp.Dup2';
unlink 'Tmp.Dup1','Tmp.Dup2';

print STDOUT "ok 6\n";
