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The 6 test patterns that real-world Bash scripts actually use
Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.
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How Linux Exit Codes Help You Write Robust Scripts
Each Linux command returns an exit code, with 0 indicating success and non-zero values indicating failure. You can use the $? variable to access the exit code and control program flow in scripts. Be ...
Shell scripting is one of those skills that are absolutely invaluable on especially UNIX and BSD-based systems like the BSDs, the two zillion Linux distributions as well as MacOS. Yet not every shell ...
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