INTERVIEW QUESTIONS OPERATING SYSTEMS SHELL SCRIPTING DETAILS

Question: How do you test for file properties in shell scripts?

Answer: - -s filename tells you if the file is not empty, -f filename tells you whether the argument is a file, and not a directory, -d filename tests if the argument is a directory, and not a file, -w filename tests for writeability, -r filename tests for readability, -x filename tests for executability

- -s filename tells you if the file is not empty, -f filename tells you whether the argument is a file, and not a directory, -d filename tests if the argument is a directory, and not a file, -w filename tests for writeability, -r filename tests for readability, -x filename tests for executability Source: CoolInterview.com

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