in reply to File:Find doing wierd stuff

wanted wants a reference to a sub ...

 find ({wanted => \&wanted }, $arg);

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See the docs and perlref for more info. Your error message is telling you that the value of &wanted (namely, true aka 1) is not a reference ...

The intelligent reader will judge for himself. Without examining the facts fully and fairly, there is no way of knowing whether vox populi is really vox dei, or merely vox asinorum. — Cyrus H. Gordon

In Section Seekers of Perl Wisdom