KW.pm | The Perl Debugger | #5 |
use strict;Second- Did you use strict? use strict requires an element of discipline in your coding, but it also catches a number of common problems.
use strict 'refs'; $ref = \$foo; print $$ref; # ok $ref = "foo"; print $$ref; # runtime error; normally ok These are otherwise legal perl that will help you to hang yourself if you aren't careful. |
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