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https://github.com/RGBCube/serenity
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30 lines
603 B
Markdown
30 lines
603 B
Markdown
## Name
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watch - execute a program periodically
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## Synopsis
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`watch [-n interval] [-t] [-b] command`
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## Description
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Run a command full-screen periodically until interrupted, then return the
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aggregated error code.
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## Options
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* '-n': Interval between executions, in seconds. By default, the program is run every 2 seconds.
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* '-t': Don't print the title bar.
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* '-b': Beep each time the command exits with a non-zero status
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## Exit Values
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* 0 - Success
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* 1 - At least one invocation of the command failed or exited with a non-zero status
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## Examples
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```sh
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$ watch -n1 ls
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$ watch -t -- uname -a
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```
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