D'Oh! I forgot to -w when I tested it. It's incredible how annoying this little thing can be!!! All in all I would regard the assignment to @_ and the connected warning as spurious, since split is not called in void context. But... they're there!

In reply to Re^5: Counting the number of items returned by split without using a named array by blazar
in thread Counting the number of items returned by split without using a named array by Anonymous Monk

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