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UNIX® User’s Handbook, Second Edition by Marty Poniatowski

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Chapter 6. Advanced UNIX Tools - Regular Expressions, sed, awk, and grep

Three Commands

The three commands covered in this chapter, along with regular expressions (pattern matching), are often grouped together. There are even many books available devoted to awk and sed. In these books, grep usually goes along for the ride because awk is somewhat derived from sed and grep. In addition, the use of regular expressions for pattern matching that are used for awk, sed, andgrep are similar.

Three Commands

Three Commands

We’ll take a look at regular expressions and pattern matching in ...

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