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Can't close pipe to invalid process

by cLive ;-) (Prior)
on Aug 28, 2015 at 21:37 UTC ( [id://1140381]=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
            my $fh;
        ok( open($fh, "|-", "prince - 2>/dev/null $test_file"), "Open 
+$test_file for writing" );
        print $fh "<html><body><h1>Hello, world!</h1></body></html>";
        ok( close($fh), "Close $test_file");
  2. or download this
    ok 3 - Open /opt/humana/svn/checkouts/rosalind-repo/prod/tmp/testfile.
+pdf for writing
not ok 4 - Close /opt/humana/svn/checkouts/rosalind-repo/prod/tmp/test
+file.pdf

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