in reply to Re^6: Tree depth
in thread Tree depth

Well, you need to declare those variables. RFC: Tutorial: use strict; now what!? Might help you a bit.

Perl 6 - second systems done right

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Re^8: Tree depth
by katarinahm (Initiate) on Mar 14, 2012 at 07:32 UTC

    Now it works!! Thank you for your patience!

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In Section Seekers of Perl Wisdom