#!./perl
-# $RCSfile: dup.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:27 $
-
-print "1..6\n";
+BEGIN {
+ chdir 't' if -d 't';
+ @INC = '../lib';
+}
+my $test = 1;
+print "1..8\n";
print "ok 1\n";
-open(dupout,">&STDOUT");
-open(duperr,">&STDERR");
+open(DUPOUT,">&STDOUT");
+open(DUPERR,">&STDERR");
-open(STDOUT,">Io.dup") || die "Can't open stdout";
+open(STDOUT,">Io.dup") || die "Can't open stdout";
open(STDERR,">&STDOUT") || die "Can't open stderr";
select(STDERR); $| = 1;
print STDOUT "ok 2\n";
print STDERR "ok 3\n";
-system 'echo ok 4';
-system 'echo ok 5 1>&2';
-close(STDOUT);
-close(STDERR);
+# Since some systems don't have echo, we use Perl.
+$echo = qq{$^X -le "print q{ok %d}"};
+
+$cmd = sprintf $echo, 4;
+print `$cmd`;
+
+$cmd = sprintf "$echo 1>&2", 5;
+print `$cmd`;
-open(STDOUT,">&dupout");
-open(STDERR,">&duperr");
+# KNOWN BUG system() does not honor STDOUT redirections on VMS.
+if( $^O eq 'VMS' ) {
+ print "not ok $_ # TODO system() not honoring STDOUT redirect on VMS\n"
+ for 6..7;
+}
+else {
+ system sprintf $echo, 6;
+ system sprintf "$echo 1>&2", 7;
+}
-system 'cat Io.dup';
+close(STDOUT) or die "Could not close: $!";
+close(STDERR) or die "Could not close: $!";
+
+open(STDOUT,">&DUPOUT") or die "Could not open: $!";
+open(STDERR,">&DUPERR") or die "Could not open: $!";
+
+if (($^O eq 'MSWin32') || ($^O eq 'NetWare') || ($^O eq 'VMS')) { print `type Io.dup` }
+else { system 'cat Io.dup' }
unlink 'Io.dup';
-print STDOUT "ok 6\n";
+print STDOUT "ok 8\n";
+