grep wikipedia - EAS
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grep is a command-line utility for searching plain-text data sets for lines that match a regular expression. Its name comes from the ed command g/re/p (globally search for a regular expression and print matching lines), which has the same effect. grep was originally developed for the Unix operating system, but … See more
Before it was named, grep was a private utility written by Ken Thompson to search files for certain patterns. Doug McIlroy, unaware of its existence, asked Thompson to write such a program. Responding that he would think … See more
A variety of grep implementations are available in many operating systems and software development environments. Early variants included … See more
• Free and open-source software portal
• Boyer–Moore string search algorithm
• agrep, an approximate string-matching command See moreIn December 2003, the Oxford English Dictionary Online added "grep" as both a noun and a verb.
A common verb usage is the phrase "You can't grep dead trees"—meaning one can more easily search through digital media, using tools such as … See more• GNU Grep official website
• GNU Grep manual
• grep(1) – Plan 9 Programmer's Manual, Volume 1
• grep(1) – Inferno General commands Manual See moreWikipedia text under CC-BY-SA license - People also ask
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