2013-10-14 02:36:58 +00:00
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---
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2017-10-20 10:14:34 +00:00
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title: zsh
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2015-11-24 05:02:17 +00:00
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category: CLI
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2012-03-16 06:14:31 +00:00
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---
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2017-10-20 10:14:34 +00:00
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### Expressions
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2012-03-16 06:14:31 +00:00
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2017-10-20 10:22:32 +00:00
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| Expression | Example | Description
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| --- | --- | ---
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| `!!` | `sudo !!` | Last command (`sudo !!`)
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| --- | --- | ---
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| `!*` | `vim !*` | Last command's parameters (`vim !*`)
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| `!^` | | Last command's first parameter
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| `!$` | | Last command's last parameter
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| --- | --- | ---
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| `!?ls` `<tab>` | `sudo !?mv` `<tab>` | Command and params of last `ls` command
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| `!?ls?:*` `<tab>` | | Params of last `ls` command
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| --- | --- | ---
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| `*(m0)` | `rm *(m0)` | Last modified today
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| `*(m-4)` | | Last modified <4 days ago
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{: .-headers}
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2012-03-16 06:14:31 +00:00
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2017-10-20 10:14:34 +00:00
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### Change default shell
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2012-03-16 06:14:31 +00:00
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2017-10-20 10:14:34 +00:00
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```bash
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chsh -s `which zsh`
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```
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2012-03-16 06:14:31 +00:00
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2018-11-16 19:59:38 +00:00
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### Process Substitution
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| Expression | Example | Description
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| --- | --- | ---
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| `<(COMMAND)` | `grep "needle" <(curl "https://haystack.io")` | Replace argument with _named pipe/FIFO_ (read-only) with command output
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| `=(COMMAND)` | `vim =(curl "https://haystack.io")` | Replace argument with _file_ (writable) containing command output
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{: .-headers}
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2017-10-20 10:14:34 +00:00
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### Also see
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2012-03-16 06:14:31 +00:00
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2017-10-20 10:14:34 +00:00
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- [Bash cheatsheet](./bash)
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2012-03-16 06:14:31 +00:00
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2017-10-20 10:14:34 +00:00
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Zsh is mostly compatible with Bash, so most everything in Bash's cheatsheet also applies.
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