in reply to return code 139

139 is the system return code to indicate a segmentation violation. I found a few references here and here
from the frivolous to the serious

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Re: Re: return code 139
by riffraff (Pilgrim) on Mar 04, 2002 at 15:40 UTC
    If the error returned is >128, subtract 128 to get the signal number. 139-128=11, SIGSEGV, segmentation violation.

    The following is from perldoc -f system:

    You can check all the failure possibilities by inspecting `$?' like this: 

    $exit_value  = $? >> 8;
$signal_num  = $? & 127;
$dumped_core = $? & 128;

    [download]

    -rr

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