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Detecting global $_ usage

by bikeNomad (Priest)
on Jul 13, 2001 at 19:00 UTC ( #96425=note: print w/ replies, xml ) Need Help??

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  1. or download this
    # croak on global underscore usage:
    #    no Underscore;
    ...
    sub import { untie $_ }
    tie($_, __PACKAGE__) unless tied $_;
    1;
    

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