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Definitions from the Web

Term: grep

Description:

Grep is a command-line utility tool used in Unix and Unix-like operating systems to search text files for patterns. It is widely popular among programmers and system administrators for its versatility and efficiency in searching and filtering strings of text. With its powerful regular expression capabilities, grep allows users to easily locate specific words, phrases, or patterns within a file or a directory.

Examples:

Sense 1: Noun (Popular Usage)

When working on a large codebase, it's common to use grep to find occurrences of a function or variable throughout multiple files. For example, searching for the term "getFileName" in the project directory:

grep -r "getFileName" .

Sense 2: Verb (Local Usage)

In local Unix communities, "grep" is often used as a verb to describe the action of searching for something specific. For instance, imagine finding a specific error message in a log file:

grep "error: missing semicolon" logfile.txt

Possible Related Products:

• Unix Command-Line Essentials
• Regular Expressions for Beginners
• Unix System Administration