Is there a way then to capture undeclared $a's?

Yeah - code reviews. In other words, don't use $a as a variable. In fact, the only single-letter variables that should be used, IMHO, are $i, $j, $k, $x, $y, and $z. Those have the patina of traditional usage. And, even then, they shouldn't be used.

If you're looping over some array, try and use foreach my $foo (@foos) instead of foreach my $i (0 .. $#foos) (unless you need to access the index instead of just the element).

------
We are the carpenters and bricklayers of the Information Age.

The idea is a little like C++ templates, except not quite so brain-meltingly complicated. -- TheDamian, Exegesis 6

... strings and arrays will suffice. As they are easily available as native data types in any sane language, ... - blokhead, speaking on evolutionary algorithms

Please remember that I'm crufty and crochety. All opinions are purely mine and all code is untested, unless otherwise specified.

In reply to Re: use strict;$a=2 by dragonchild
in thread use strict;$a=2 by ambrus

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