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| Perl: the Markov chain saw | |
| PerlMonks |
Re^3: Select only desired features from a textby moritz (Cardinal) |
| on Mar 19, 2012 at 18:03 UTC ( #960453=note: print w/ replies, xml ) | Need Help?? |
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Use a second hash to store those (partial) lines that you've already seen, and only print out those lines that aren't in the hash yet.
In Section
Seekers of Perl Wisdom
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