2017-08-01 07:10:53 +08:00
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zsh-syntax-highlighting [![Build Status][build-status-image]][build-status-travis]
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2011-06-13 04:57:14 +08:00
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=======================
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2010-12-26 01:47:12 +08:00
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2017-11-30 00:53:23 +08:00
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**[Fish shell][fish]-like syntax highlighting for [Zsh][zsh].**
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2011-01-06 06:07:22 +08:00
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2017-08-01 23:55:04 +08:00
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*Requirements: zsh 4.3.11+.*
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2010-12-26 01:47:12 +08:00
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2015-11-17 11:47:11 +08:00
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[fish]: http://www.fishshell.com/
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[zsh]: http://www.zsh.org/
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2018-05-26 21:39:25 +08:00
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This package provides syntax highlighting for the shell zsh. It enables
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highlighting of commands whilst they are typed at a zsh prompt into an
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2015-10-20 22:56:10 +08:00
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interactive terminal. This helps in reviewing commands before running
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them, particularly in catching syntax errors.
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2016-10-20 08:39:32 +08:00
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Some examples:
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2016-10-20 09:01:45 +08:00
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Before: [](images/before1.png)
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2016-10-20 08:03:09 +08:00
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<br/>
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2016-10-20 09:01:45 +08:00
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After: [](images/after1.png)
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2016-10-20 08:39:32 +08:00
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2016-10-20 09:01:45 +08:00
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Before: [](images/before2.png)
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2016-10-20 08:39:32 +08:00
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<br/>
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2016-10-20 09:01:45 +08:00
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After: [](images/after2.png)
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2016-10-20 08:03:09 +08:00
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2016-10-20 09:01:45 +08:00
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Before: [](images/before3.png)
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2016-10-20 09:01:20 +08:00
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<br/>
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2016-10-20 09:01:45 +08:00
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After: [](images/after3.png)
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2015-10-24 17:43:25 +08:00
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2020-01-15 04:46:46 +08:00
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Before: [](images/before4-smaller.png)
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<br/>
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After: [](images/after4-smaller.png)
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2010-12-30 23:35:55 +08:00
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2011-06-13 04:57:14 +08:00
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How to install
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--------------
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2010-12-26 05:10:50 +08:00
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2015-11-24 15:05:41 +08:00
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See [INSTALL.md](INSTALL.md).
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2015-10-23 12:45:18 +08:00
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2015-01-26 17:08:31 +08:00
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FAQ
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---
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### Why must `zsh-syntax-highlighting.zsh` be sourced at the end of the `.zshrc` file?
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2016-10-07 22:21:57 +08:00
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zsh-syntax-highlighting works by hooking into the Zsh Line Editor (ZLE) and
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computing syntax highlighting for the command-line buffer as it stands at the
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time z-sy-h's hook is invoked.
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In zsh 5.2 and older,
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2016-10-07 22:22:23 +08:00
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`zsh-syntax-highlighting.zsh` hooks into ZLE by wrapping ZLE widgets. It must
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be sourced after all custom widgets have been created (i.e., after all `zle -N`
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calls and after running `compinit`) in order to be able to wrap all of them.
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2016-10-07 22:21:57 +08:00
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Widgets created after z-sy-h is sourced will work, but will not update the
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2015-09-25 02:45:35 +08:00
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syntax highlighting.
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2015-01-26 17:08:31 +08:00
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2020-08-09 18:54:01 +08:00
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In zsh newer than 5.8 (not including 5.8 itself),
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2016-10-07 22:21:57 +08:00
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zsh-syntax-highlighting uses the `add-zle-hook-widget` facility to install
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a `zle-line-pre-redraw` hook. Hooks are run in order of registration,
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therefore, z-sy-h must be sourced (and register its hook) after anything else
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that adds hooks that modify the command-line buffer.
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2016-08-17 01:08:47 +08:00
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### Does syntax highlighting work during incremental history search?
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2016-03-30 04:13:46 +08:00
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2017-07-31 01:06:14 +08:00
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Highlighting the command line during an incremental history search (by default bound to
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to <kbd>Ctrl+R</kbd> in zsh's emacs keymap) requires zsh 5.4 or newer.
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2017-02-08 01:19:18 +08:00
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2017-07-31 01:06:14 +08:00
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Under zsh versions older than 5.4, the zsh-default [underlining][zshzle-Character-Highlighting]
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2016-08-17 01:09:42 +08:00
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of the matched portion of the buffer remains available, but zsh-syntax-highlighting's
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additional highlighting is unavailable. (Those versions of zsh do not provide
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enough information to allow computing the highlighting correctly.)
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2016-03-30 04:13:46 +08:00
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2017-07-31 01:06:14 +08:00
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See issues [#288][i288] and [#415][i415] for details.
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2016-03-30 04:13:46 +08:00
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2016-08-17 01:09:04 +08:00
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[zshzle-Character-Highlighting]: http://zsh.sourceforge.net/Doc/Release/Zsh-Line-Editor.html#Character-Highlighting
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2016-03-30 04:13:46 +08:00
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[i288]: https://github.com/zsh-users/zsh-syntax-highlighting/pull/288
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2017-07-31 01:06:14 +08:00
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[i415]: https://github.com/zsh-users/zsh-syntax-highlighting/pull/415
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2016-03-30 04:13:46 +08:00
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2015-09-25 06:58:22 +08:00
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### How are new releases announced?
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2015-11-17 11:02:39 +08:00
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There is currently no "push" announcements channel. However, the following
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alternatives exist:
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2015-09-25 06:58:22 +08:00
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- GitHub's RSS feed of releases: https://github.com/zsh-users/zsh-syntax-highlighting/releases.atom
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- An anitya entry: https://release-monitoring.org/project/7552/
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2015-11-17 11:02:39 +08:00
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2011-06-13 04:57:14 +08:00
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How to tweak
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------------
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2011-01-06 06:07:22 +08:00
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2015-11-17 11:02:39 +08:00
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Syntax highlighting is done by pluggable highlighter scripts. See the
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2015-11-27 01:33:21 +08:00
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[documentation on highlighters](docs/highlighters.md) for details and
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configuration settings.
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2017-08-01 07:10:53 +08:00
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[build-status-image]: https://travis-ci.org/zsh-users/zsh-syntax-highlighting.svg?branch=master
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[build-status-travis]: https://travis-ci.org/zsh-users/zsh-syntax-highlighting
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