2018-12-17 01:39:33 +00:00
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not - negate the exit status of a job
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2019-01-03 04:10:47 +00:00
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=====================================
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2018-12-17 01:39:33 +00:00
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2018-12-18 01:58:24 +00:00
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Synopsis
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--------
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2018-12-16 21:08:41 +00:00
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not COMMAND [OPTIONS...]
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2018-12-18 01:58:24 +00:00
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2018-12-16 21:08:41 +00:00
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2018-12-19 02:44:30 +00:00
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Description
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2019-01-03 04:10:47 +00:00
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-----------
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2018-12-16 21:08:41 +00:00
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2018-12-19 20:02:45 +00:00
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``not`` negates the exit status of another command. If the exit status is zero, ``not`` returns 1. Otherwise, ``not`` returns 0.
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2018-12-16 21:08:41 +00:00
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2018-12-19 02:44:30 +00:00
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Example
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2019-01-03 04:10:47 +00:00
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-------
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2018-12-16 21:08:41 +00:00
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The following code reports an error and exits if no file named spoon can be found.
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2018-12-19 03:14:04 +00:00
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::
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if not test -f spoon
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echo There is no spoon
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exit 1
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end
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2018-12-16 21:08:41 +00:00
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