How to search text files for patterns efficiently | Linux Today

How to search text files for patterns efficiently

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Jan 21, 2014

If grep is one of your favorite tools, chances are that you will like ack even better. ask a Perl-based command-line utility similar to grep, but designed to improve the search speed and capabilities of grep. Especially if you are a programmer, I strongly recommend replacing grep with ack. The usage of ack is heavily optimized for code search, so a programmer can perform complex search on source code trees with fewer keystrokes.

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