27 lines
No EOL
1.1 KiB
Markdown
27 lines
No EOL
1.1 KiB
Markdown
---
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obj: application
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os: linux
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repo: https://github.com/Miserlou/Loop
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---
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# Loop
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[Repo](https://github.com/Miserlou/Loop)
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Loops in bash are surprisingly complicated and fickle! I wanted a simple and intuitive way to write controllable loops that:
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- Run on controllable **timers**!
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- `$ loop --every 10s -- ls`
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- Have **custom counters**!
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- `$ loop --count-by 5 -- 'touch $COUNT.txt'`
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- Loop **until output matches** a condition!
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- `$ loop --until-contains 200 -- ./get_response_code.sh --site mysite.biz`
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- Loop **until a certain time**!
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- `$ loop --for-duration 8h -- ./poke_server`
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- Loop **until a program succeeds** (or fails!)
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- `$ loop --until-success -- ./poke_server`
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- Iterate over the **standard input**!
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- `$ cat files_to_create.txt | loop -- 'touch $ITEM'`
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- Get a **summary** of the runs!
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- `$ loop --for-duration 10min --summary -- ls`
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- Run until output **changes or stays the same** between invocations!
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- `$ loop --until-changes -- date +%s`
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- `$ loop --until-same -- date +%s`
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- ..and **much more!** |