I'd say your best bet is to process the file one line at a time, as has already been suggested, and put the relevant information into a database. Once it's there, you can gather and extract the information you need -- and let the database engine worry about figuring out the best way to store it all.
Alex / talexb / Toronto
Thanks PJ. We owe you so much. Groklaw -- RIP -- 2003 to 2013.
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