The fix suggested (unlink glob("$prefix$runid.*") or ...) will only report an error if no files can be unlinked. If only some files cannot be unlinked, no error will be reported. You probably want 

unlink $_ or print "Error removing file \"$_\": $!\n"
   for glob("$prefix$runid.*");

[download]

I also doubt $! is set properly, especially when processing multiple files.

In reply to Re: unlink glob by ikegami
in thread unlink glob by rbm1213

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