Berkeley CSUA MOTD:Entry 12696
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2025/05/28 [General] UID:1000 Activity:popular
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2004/3/16 [Computer/SW/Languages/Perl] UID:12696 Activity:nil
3/16    In perl how do I make it so that it checks for variable undeclared
        because it's really annoy how it ignores errors like that. ok thx
        \_ #!/usr/local/bin/perl -w
           use strict;
        \_ I prefer #!/usr/bin/env perl  and   $^W=1; (or $WARNING is clearer)