I think that an argument could be made that Perl should try to preserve the contents of /proc/PID/environ when changing $0, and do a more thorough job of restoring the original command line if $0 is localized.

perlbugit

In reply to Re: Setting $0 clears /proc/PID/environ too by Anonymous Monk
in thread Setting $0 clears /proc/PID/environ too by kikuchiyo

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