Easiest way to remove unwanted lines from a huge text file

Posted by Shawn on Super User See other posts from Super User or by Shawn
Published on 2010-06-03T01:45:40Z Indexed on 2010/06/03 1:56 UTC
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text-manipulation

I have a large text file with a size of more than 30 megabytes. I want to remove all the lines which don't match some specific criteria, e.g. lines that don't have the string 'START'. What's the easiest way to do it?

Thanks.

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Easiest way to remove unwanted lines from a huge text file - Developer IT

Easiest way to remove unwanted lines from a huge text file

text-manipulation

Related posts about text-manipulation

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What should I know about Python to identify comments in different source files?

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