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developerWorks: Linux tip: Bash Test and Comparison Functions

Feb 23, 2007, 05:30 (0 Talkback[s])
(Other stories by Ian Shields)

[ Thanks to IdaAshley for this link. ]

"The Bash shell is available on many Linux and UNIX systems today, and is a common default shell on Linux. Bash includes powerful programming capabilities, including extensive functions for testing file types and attributes, as well as the arithmetic and string comparisons available in most programming languages. Understanding the various tests and knowing that the shell can also interpret some operators as shell metacharacters is an important step to becoming a power shell user. This article, excerpted from the developerWorks tutorial LPI exam 102 prep: Shells, scripting, programming, and compiling, shows you how to understand and use the test and comparison operations of the Bash shell..."

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