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Re: Heisenberg Uncertainty Hashby Zaxo (Archbishop) |
on Apr 26, 2005 at 22:50 UTC ( [id://451793]=note: print w/replies, xml ) | Need Help?? |
The higher-level 'd' key is autovivified by checking for a lower-level key. Check existance of the higher-level key before doing anything with the lower level.
This is a well-known gotcha. After Compline,
In Section
Seekers of Perl Wisdom
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