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Which built variable is used for defining the field delimiter in the output?

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Which built variable is used for defining the field delimiter in the output?

(a) OFS

(b) FS

(c) NF

(d) ES

This question was addressed to me during an interview.

Query is from Various Operations using Awk Command topic in chapter Awk – An Advanced Filter & Perl – The Master Manipulator of Unix

1 Answer

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Correct answer is (a) OFS

For explanation: The OFS variable is used for specifying the field delimiter in the output. For example,

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