Which of the following option is used for checking if the file is writable or not?(a) -e(b) -f(c) -n(d) -wI got this question in unit test.I'd like to ask this question from Using test and [ ] to Evaluate Expressions in portion Essential Shell Programming of Unix

Which of the following option is used for checking if the file is writ

1.	Which of the following option is used for checking if the file is writable or not?(a) -e(b) -f(c) -n(d) -wI got this question in unit test.I'd like to ask this question from Using test and [ ] to Evaluate Expressions in portion Essential Shell Programming of Unix
Answer» The correct OPTION is (d) -W For EXPLANATION I would say: To check if the FILE exists and is writable we can use -w option. The syntax is -w filename.

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Which of the following option is used for checking if the file is writable or not?(a) -e(b) -f(c) -n(d) -wI got this question in unit test.I'd like to ask this question from Using test and [ ] to Evaluate Expressions in portion Essential Shell Programming of Unix

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