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I see nothing wrong with this idiom. It's how I would do it, but if you were worried about generating the extra data (Which in this case your not) I would recommend looking at Want. "wantarray on steriods". In this example you could use the howmany() sub to determine how many items the caller wants.
But for most cases I would stick to plain ol' wantarray() -Lee "To be civilized is to deny one's nature." In reply to Re: Context aware functions - best practices?
by shotgunefx
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