Method 2 should have parens: my ($arg) = @_;

As for which style to use, it really doesn't matter, it is all a matter of personal taste and I have used all three (though typically one of the first two).

Update: Better phrasing, thanks kennethk

Good Day,
    Dean

In reply to Re: User-Defined Sub, Passing a Single Argument? by duelafn
in thread User-Defined Sub, Passing a Single Argument? by mmartin

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