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Re^3: removing duplicates from a string listby PeterPeiGuo (Hermit) |
| on Nov 27, 2010 at 21:42 UTC ( [id://874028]=note: print w/replies, xml ) | Need Help?? |
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Always use strict and warnings, so you would have to declare your variable with my. With a hash, the key is unique, but not neccessarily the values. Peter (Guo) Pei
In Section
Seekers of Perl Wisdom
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