Re^2: Nested loops

Ahh, that's very kind, nuance. I keep forgetting to put "my" at the front of these things.

Comment on Re^2: Nested loops

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Re^3: Nested loops by stevieb (Canon) on Sep 13, 2015 at 14:05 UTC
As nuance stated, `$a` and `$b` are special variables to perl (used in things like `sort`. They don't need to be declared with `my` because of this). It's highly advisable that you don't use these special variables except for where they are normally expected.	[reply] [d/l] [select]
Re^3: Nested loops by AnomalousMonk (Archbishop) on Sep 13, 2015 at 15:22 UTC
`$a` and `$b` are just the beginning of Perl's pre-defined special variables. Please see perlvar (or `perldoc perlvar` on your local machine) for the whole story. Give a man a fish: `<%-{-{-{-<`	[reply] [d/l] [select]