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Slight rephrasing of the question to make it more clear

edit approved Feb 16, 2018 at 18:00

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How to obtain grepdoes one extract a command's exit status into a variable?

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occurred Jul 7, 2016 at 14:05

Added bash tag

edit approved Jul 7, 2016 at 11:03

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bash shell command-line grep exit-status

bash is not central to the question

edited Jul 7, 2016 at 10:05

Jeff Schaller ♦

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bash shell command-line grep exit-status

Updated title to reflect text in the question.

edited Jul 7, 2016 at 9:30

Kusalananda ♦

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formatting

edited Jul 7, 2016 at 8:47

Anthony Geoghegan

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deleted 44 characters in body

edited Jul 7, 2016 at 8:14

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asked Jul 7, 2016 at 8:07

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