$var = some_class->some_method() || ''
Don't do that. It will bite you if some_method returns zero. You can use the double-slash operator instead, if you have a reasonably recent perl installed. But you're probably better off either handling undefs properly, or just turning off warnings.

In reply to Re: Return array from sub or return empty array by Anonymous Monk
in thread Return array from sub or return empty array by gregzartman

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