I wouldn't be absolutly sure that that was where the problem was even with buffering turned off, however it is worth a try.

More important is to try and print out the parameters to the pack and see if those are important to the issue. If it fails with specific issues you can then use a debugger and have it break when the appropriate line is reached with the danger parameters.

DWIM is Perl's answer to Gödel

In reply to Re^3: perl dying without a trace by GrandFather
in thread perl dying without a trace by Crackers2

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