grep
grep: /grep/ vi. [from the qed/ed editor idiom g/re/p, where re
stands for a regular expression, to Globally search for the Regular
Expression and Print the lines containing matches to it, via
Unix `grep(1)'] To rapidly scan a file or set of files looking
for a particular string or pattern (when browsing through a large
set of files, one may speak of `grepping around'). By extension, to
look for something by pattern. "Grep the bulletin board for the
system backup schedule, would you?" See also vgrep.
[It has also been alleged that the source is from the title of a
paper "A General Regular Expression Parser" -ESR]
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