grep
1
8.1
- noun
- /ɡrɛp/
- Specialized
- The grep command is very useful for finding specific text in a large file.
Examples
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You can wrap your grep into a script, use it in an Automator workflow, and assign this a systemwide shortcut if you wish (I wouldn't do that).
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From time to time, you can catch Matt pacing the office, grumbling about lack of grep support in Visual Studio or browsing stories on YCombinator's Hacker News site.
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But in essence, it will stay the good old grep.
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Great tip on ripping titles from an XML file - I normally do this using echo/grep, etc. in Linux, but this is much more friendly.
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In order to verify if Apache is executed when the server is restarted, run: $ chkconfig --list grep httpd
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You could calculate the same using the ps -ef grep snapshot command; however, you would then have to subtract the process start date/time from the server date/time, as shown below.
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By using grep, you can easily search through log files for errors.
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Many programmers rely on grep to filter lines of code based on patterns.
Surface Forms
Etymology
Grep comes from an old editor command written g/re/p, which meant 'global', 'search for a pattern', 'print' — in other words, find matches in all lines and show them. So the program called grep is a tool that quickly finds and displays matching lines in files.