58 lines
1.2 KiB
Perl
58 lines
1.2 KiB
Perl
#!./perl
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use Config;
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BEGIN {
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if($ENV{PERL_CORE}) {
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if ($Config{'extensions'} !~ /\bIO\b/) {
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print "1..0 # Skip: IO extension not compiled\n";
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exit 0;
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}
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}
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}
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use IO::Handle;
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use IO::File;
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select(STDERR); $| = 1;
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select(STDOUT); $| = 1;
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print "1..6\n";
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print "ok 1\n";
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$dupout = IO::Handle->new->fdopen( \*STDOUT ,"w");
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$duperr = IO::Handle->new->fdopen( \*STDERR ,"w");
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$stdout = \*STDOUT; bless $stdout, "IO::File"; # "IO::Handle";
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$stderr = \*STDERR; bless $stderr, "IO::Handle";
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$stdout->open( "Io.dup","w") || die "Can't open stdout";
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$stderr->fdopen($stdout,"w");
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print $stdout "ok 2\n";
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print $stderr "ok 3\n";
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# Since some systems don't have echo, we use Perl.
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$echo = qq{$^X -le "print q(ok %d)"};
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$cmd = sprintf $echo, 4;
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print `$cmd`;
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$cmd = sprintf "$echo 1>&2", 5;
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$cmd = sprintf $echo, 5 if $^O eq 'MacOS';
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print `$cmd`;
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$stderr->close;
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$stdout->close;
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$stdout->fdopen($dupout,"w");
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$stderr->fdopen($duperr,"w");
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if ($^O eq 'MSWin32' || $^O eq 'NetWare' || $^O eq 'VMS') { print `type Io.dup` }
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elsif ($^O eq 'MacOS') { system 'Catenate Io.dup' }
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else { system 'cat Io.dup' }
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unlink 'Io.dup';
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print STDOUT "ok 6\n";
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