1 files changed, 39 insertions, 0 deletions
diff --git a/contrib/perl5/t/io/dup.t b/contrib/perl5/t/io/dup.t
new file mode 100755
index 0000000..f312671
--- /dev/null
+++ b/contrib/perl5/t/io/dup.t
@@ -0,0 +1,39 @@
+#!./perl
+
+# $RCSfile: dup.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:27 $
+
+print "1..6\n";
+
+print "ok 1\n";
+
+open(dupout,">&STDOUT");
+open(duperr,">&STDERR");
+
+open(STDOUT,">Io.dup") || die "Can't open stdout";
+open(STDERR,">&STDOUT") || die "Can't open stderr";
+
+select(STDERR); $| = 1;
+select(STDOUT); $| = 1;
+
+print STDOUT "ok 2\n";
+print STDERR "ok 3\n";
+if ($^O eq 'MSWin32') {
+    print `echo ok 4`;
+    print `echo ok 5 1>&2`; # does this work?
+}
+else {
+    system 'echo ok 4';
+    system 'echo ok 5 1>&2';
+}
+
+close(STDOUT);
+close(STDERR);
+
+open(STDOUT,">&dupout");
+open(STDERR,">&duperr");
+
+if ($^O eq 'MSWin32') { print `type Io.dup` }
+else                  { system 'cat Io.dup' }
+unlink 'Io.dup';
+
+print STDOUT "ok 6\n";