Re^2: Is this a bug in splice?

tilly,
The frustrating thing is that you can't intentionally create @$ without some effort:

my @$ = 1..4; # issues an error
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On the other hand, if you accidentally use it without declaration - it springs into existence and doesn't throw any errors nor warnings. Even if that is documented behavior, it smells bad (of course, there is probably very good reason for it).

Cheers - L~R

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Re^3: Is this a bug in splice? by tilly (Archbishop) on Feb 20, 2008 at 03:27 UTC
Take a look at the error you get. Perl knows that @$ is not a valid name for a lexical variable. So it won't let you declare it with my. But it is a valid global variable name, and Perl recognizes it as such. Try declaring it with our. Also see my update to my original response. Edit: I said $@ and meant @$. Thanks ysth.	[reply]
Re^4: Is this a bug in splice? by Limbic~Region (Chancellor) on Feb 20, 2008 at 03:35 UTC
tilly, I understand that and that this is documented behavior. I still don't like it. Perhaps it is because it is the first time I can remember getting bit by it. In a nutshell, perl is telling you that if you want to use a variable that starts with a punctuation character - you are on your own (no warnings/errors) so don't make a mistake. Cheers - L~R	[reply]