Using Grep To Streamline Your Shell And Command Line Scripting

Aug 08, 2008, 20:30 (2 Talkback[s])
(Other stories by Mike Tremell)

[ Thanks to Mike Golvach for this link. ]

"Today, we're going to look at a few ways we can use grep to clean up our shell scripting and make it look (and, most of the time, actually "be") more efficient. The solutions presented in this post can be one-upped by any number of other standard Unix/Linux commands, but (for the sake of this post) we're going to assume that "grep" is the be-all-end-all of input and output processing. Suspend your disbelief, for as long as it takes to read this post, and assume that the world is flat, grep's it and that's that."

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Related Stories:

• Bash Regular Expressions(May 28, 2008)
• Text Substitution with RPL(Jan 25, 2008)
• Using grep and sed to Find and Replace(Nov 29, 2007)
• Linux Magazine: What's GNU in Old Utilities, Part Two(Nov 17, 2005)