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Posted by Alvaro G. Vicario on 07/15/06 09:41
*** Janwillem Borleffs escribió/wrote (Sat, 15 Jul 2006 10:39:17 +0200):
> Duplicates can be removed, e.g. with the following (when the text file isn't
> too big!):
For big files, I suppose you can store records in a hash table (database or
array) where the key is a hash or checksum of the record content, such as
MD5.
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