14 open(DUPOUT,">&STDOUT");
15 open(DUPERR,">&STDERR");
17 open(STDOUT,">Io.dup") || die "Can't open stdout";
18 open(STDERR,">&STDOUT") || die "Can't open stderr";
20 select(STDERR); $| = 1;
21 select(STDOUT); $| = 1;
23 print STDOUT "ok 2\n";
24 print STDERR "ok 3\n";
26 # Since some systems don't have echo, we use Perl.
27 $echo = qq{$^X -le "print q(ok %d)"};
29 $cmd = sprintf $echo, 4;
32 $cmd = sprintf "$echo 1>&2", 5;
33 $cmd = sprintf $echo, 5 if $^O eq 'MacOS'; # don't know if we can do this ...
36 # KNOWN BUG system() does not honor STDOUT redirections on VMS.
38 print "not ok $_ # TODO system() not honoring STDOUT redirect on VMS\n"
42 system sprintf $echo, 6;
44 system sprintf $echo, 7;
47 system sprintf "$echo 1>&2", 7;
51 close(STDOUT) or die "Could not close: $!";
52 close(STDERR) or die "Could not close: $!";
54 open(STDOUT,">&DUPOUT") or die "Could not open: $!";
55 open(STDERR,">&DUPERR") or die "Could not open: $!";
57 if (($^O eq 'MSWin32') || ($^O eq 'NetWare') || ($^O eq 'VMS')) { print `type Io.dup` }
58 elsif ($^O eq 'MacOS') { system 'catenate Io.dup' }
59 else { system 'cat Io.dup' }
62 print STDOUT "ok 8\n";
64 open(F,">&",1) or die "Cannot dup to numeric 1: $!";
68 open(F,">&",'1') or die "Cannot dup to string '1': $!";
72 open(F,">&=",1) or die "Cannot dup to numeric 1: $!";
76 if ($Config{useperlio}) {
77 open(F,">&=",'1') or die "Cannot dup to string '1': $!";
81 open(F, ">&DUPOUT") or die "Cannot dup stdout back: $!";