agrep — a command line utility which is a functional analogue of the utility grep, but with support for fuzzy search masks (fuzzy search).
grep (short for Global Regular Expression Print) is a powerful console utility for searching data in a text file (the file list) of any type. Search for used compact matching algorithm Boyer-Moore, outstanding pattern, unique and predefined outcome, in the form of strings containing the sample. Utility is part of the project GNU (GNU Grep).
The functionality of grep is extensive, it can be used to search just as files and rows, or multiple rows in the file. The utility finds the string meets the specified search pattern, ordinary string or regular expression and prints them (if the output is not canceled with a special key).
agrep in addition to the functionality of grep is capable of fuzzy search (FuzzyFinder), use a multiline search, search across multiple templates and regular expressions is also supported connection patterns search logical operations AND/OR (also and or).
License: ISC open source license (since September 2014)