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#!./perl
use Config;
BEGIN {
if($ENV{PERL_CORE}) {
if ($Config{'extensions'} !~ /\bIO\b/) {
print "1..0 # Skip: IO extension not compiled\n";
exit 0;
}
}
}
use IO::Handle;
use IO::File;
select(STDERR); $| = 1;
select(STDOUT); $| = 1;
print "1..6\n";
print "ok 1\n";
$dupout = IO::Handle->new->fdopen( \*STDOUT ,"w");
$duperr = IO::Handle->new->fdopen( \*STDERR ,"w");
$stdout = \*STDOUT; bless $stdout, "IO::File"; # "IO::Handle";
$stderr = \*STDERR; bless $stderr, "IO::Handle";
$stdout->open( "Io.dup","w") || die "Can't open stdout";
$stderr->fdopen($stdout,"w");
print $stdout "ok 2\n";
print $stderr "ok 3\n";
# 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;
$cmd = sprintf $echo, 5 if $^O eq 'MacOS';
print `$cmd`;
$stderr->close;
$stdout->close;
$stdout->fdopen($dupout,"w");
$stderr->fdopen($duperr,"w");
if ($^O eq 'MSWin32' || $^O eq 'NetWare' || $^O eq 'VMS') { print `type Io.dup` }
elsif ($^O eq 'MacOS') { system 'Catenate Io.dup' }
else { system 'cat Io.dup' }
unlink 'Io.dup';
print STDOUT "ok 6\n";
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