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All the Perl that's Practical to Extract and Report

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  • it's clearly a random problem with PerlIO::gzip, sometimes it works and sometimes it doesn't. I can't make any sense of it, how can it work some of the time and the rest of the time it generates gibberish? yet you say I'm going to give IO::Uncompress::Gnuzip a go now to see if it's consistent and reliable.

    So, I infer, the cause of the observed problem is not clearly anything, as you don't yet have data ruling out other possible causes, because you've not yet tried the experiment of keeping everything else

    • Originally I thought that the same compressed file and the same Perl script could be run time after time and some of the time it would and some of the time it would not work. That really confused me, but it's a Windows box with an old version of ActiveState Perl on it, so I'm not expecting perfection.

      I now think that some files can and some can't be processed. Once you have a "bad" compressed file PerlIO::gzip can't deal with it, but other methods can.

      IO::Compress::Gunzip does work with the same file that

      -- "It's not magic, it's work..."
  • Hi

    This symptom normally means there's a bug in the code, in that some variable is uninitialized, and when used causes various results, depending on the value which happens to be in it.