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To replace | with ~, which one of the following commands will be used?

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To replace | with ~, which one of the following commands will be used?

(a) tr ‘|\’  ‘~-‘

(b) tr ‘|\’  ‘~-‘ > emp.lst

(c) tr |  ~ emp.lst

(d) !

I got this question in an interview for job.

My question comes from Unique and tr Command in division Simple Filters of Unix

1 Answer

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The correct answer is (b) tr ‘|\’  ‘~-‘ > emp.lst

For explanation I would say: The translate (tr) filter is used for manipulating individual characters in a line. It replaces the first character in the first expression with the first character in the second expression.

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