432 lines
16 KiB
Markdown
432 lines
16 KiB
Markdown
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[](./LICENSE)
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[](./LICENSE)
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[](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=D6XDCHDSBDSDG)
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# Zsh Navigation Tools
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Also check out [ Zsh Command Architect](https://github.com/psprint/zsh-cmd-architect)
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and [Zconvey](https://github.com/psprint/zconvey)
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Videos:
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- [https://youtu.be/QwZ8IJEgXRE](https://youtu.be/QwZ8IJEgXRE)
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- [https://youtu.be/DN9QqssAYB8](https://youtu.be/DN9QqssAYB8)
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Screenshots:
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Set of tools like `n-history` – multi-word history searcher, `n-cd` – directory
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bookmark manager, `n-kill` – `htop` like kill utility, and more. Based on
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`n-list`, a tool generating selectable curses-based list of elements that has
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access to current `Zsh` session, i.e. has broad capabilities to work together
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with it. Feature highlights include incremental multi-word searching, approximate
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matching, ANSI coloring, themes, unique mode, horizontal scroll, grepping, advanced
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history management and various integrations with `Zsh`.
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## News
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* 06-10-2016
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- **Tmux-integration** – `Ctrl-B H` in Tmux to open `n-history` in new window.
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Then select history entry, it will be copied to the original Tmux window.
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Use this to execute local commands on remote hosts:
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All that is needed is this line added to `~/.tmux.conf`:
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```
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bind h run-shell -b "$ZNT_REPO_DIR/doc/znt-tmux.zsh"
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```
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or – if Homebrew or other package manager is used:
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```
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bind h run-shell -b "$ZNT_REPO_DIR/znt-tmux.zsh"
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```
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* 16-05-2016
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- `n-kill` has completion. It proposes **words** from what's in `ps -A`. Giving `n-kill`
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arguments means grepping – it will start only with matching `ps` entries.
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* 15-05-2016
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- Fixed problem where zsh-syntax-highlighting could render `n-history` slow (for
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long history entries).
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* 14-05-2016
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- Configuration can be set from `zshrc` (starting from `v2.1.12`). Documentation is [below](#configuration). Example:
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```zsh
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znt_list_instant_select=1
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znt_list_border=0
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znt_list_bold=1
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znt_list_colorpair="green/black"
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znt_functions_keywords=( "zplg" "zgen" "match" )
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znt_cd_active_text="underline"
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znt_env_nlist_coloring_color=$'\x1b[00;33m'
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znt_cd_hotlist=( "~/.config/znt" "/usr/share/zsh/site-functions" "/usr/share/zsh"
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"/usr/local/share/zsh/site-functions" "/usr/local/share/zsh"
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"/usr/local/bin" )
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```
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* 10-05-2016
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- Search query rotation – use `Ctrl-A` to rotate entered words right.
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Words `1 2 3` become `3 1 2`.
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* 09-05-2016
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- New feature: n-help tool, available also from n-history via `H` key. It
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displays help screen with various information on `ZNT`.
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* 08-05-2016
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- Approximate matching – pressing `f` or `Ctrl-F` will enter "`FIX`" mode,
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in which `1` or `2` errors are allowed in what's searched. This utilizes
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original Zsh approximate matching features and is intended to be used
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after entering search query, when a typo is discovered.
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* 06-05-2016
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- Private history can be edited. Use `e` key or `Ctrl-E` for that when in
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n-history. Your `$EDITOR` will start. This is a way to have handy set of
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bookmarks prepared in private history's file.
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- Border can be disabled. Use following snippet in `~/.config/znt/n-list.conf`
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or any other tool-targetted config file:
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```zsh
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# Should draw the border?
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local border=0
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```
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* 30-04-2016
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- New feature: color themes. Use `Ctrl-T` and `Ctrl-G` to browse predefined
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themes. They are listed in [~/.config/znt/n-list.conf](https://github.com/psprint/zsh-navigation-tools/blob/master/.config/znt/n-list.conf).
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Use the file to permanently set a color scheme. Also, I sent a patch to Zsh developers
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and starting from Zsh > 5.2 (not yet released) supported will be 256 colors.
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The file [~/.config/znt/n-list.conf](https://github.com/psprint/zsh-navigation-tools/blob/master/.config/znt/n-list.conf)
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already has set of 256-color themes prepared :)
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* 29-04-2016
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- New feature: private history – n-history tracks selected history entries,
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exposes them via new view (activated with `F1`). It is shared across all
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sessions
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* 28-04-2016
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- New features:
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1. New n-history view (activated with `F1`): Most Frequent History Words
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2. Predefined search keywords – use F2 to quickly search for chosen
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keywords (video: [https://youtu.be/DN9QqssAYB8](https://youtu.be/DN9QqssAYB8))
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3. Configuration option for doing instant selection in search mode
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## Installation
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```
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sh -c "$(curl -fsSL https://raw.githubusercontent.com/psprint/zsh-navigation-tools/master/doc/install.sh)"
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```
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To update run the command again.
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`ZNT` will be installed at `~/.config/znt/zsh-navigation-tools`, config files will be copied to `~/.config/znt`. `.zshrc`
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will be updated with only `8` lines of code, which will be added at the bottom.
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After installing and reloading shell give `ZNT` a quick try with `Ctrl-R` – this keyboard shortcut will open `n-history`.
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## Installation With [Zplugin](https://github.com/psprint/zplugin)
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Add `zplugin load psprint/zsh-navigation-tools` to `.zshrc`. The config files will be in `~/.config/znt`.
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## Installation With Zgen
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Add `zgen load psprint/zsh-navigation-tools` to `.zshrc` and issue a `zgen reset` (this assumes that there is a proper `zgen save` construct in `.zshrc`).
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The config files will be available in `~/.config/znt`.
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## Installation With Antigen
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Add `antigen bundle psprint/zsh-navigation-tools` to `.zshrc`. There also
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should be `antigen apply`. The config files will be in `~/.config/znt`.
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## Single File Manual Installation
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Running script `doc/generate_single_file` will create single-file version of `ZNT`.
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It can be sourced from `.zshrc`. Don't forget about configuration files as described
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above.
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## Manual Installation
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After extracting `ZNT` to `{some-directory}` add following two lines
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to `~/.zshrc`:
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```zsh
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fpath+=( {some-directory} )
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source "{some-directory}/zsh-navigation-tools.plugin.zsh"
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```
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As you can see, no plugin manager is needed to use the `*.plugin.zsh`
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file. The above two lines of code are all that almost **all** plugin
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managers do. In fact, what's actually needed is only:
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```zsh
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source "{some-directory}/zsh-navigation-tools.plugin.zsh"
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```
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because `ZNT` detects if it is used by **any** plugin manager and can
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handle `$fpath` update by itself.
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## Truly Manual Installation
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Copy (or link) all `n-*` and `znt-*` files to **/usr/share/zsh/site-functions/**
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(or **/usr/local/share/zsh/site-functions/**, check with `echo $fpath[1]`) and then add:
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autoload n-list n-cd n-env n-kill n-panelize n-options n-aliases n-functions n-history n-help
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to `~/.zshrc`.
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Create aliases to avoid typing of the minus sign "-":
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```zsh
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alias naliases=n-aliases ncd=n-cd nenv=n-env nfunctions=n-functions nhistory=n-history
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alias nkill=n-kill noptions=n-options npanelize=n-panelize nhelp=n-help
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```
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Don't forget to copy [configuration files](https://github.com/psprint/zsh-navigation-tools/tree/master/.config/znt). They should go to `~/.config/znt`. Moreover, `n-cd` works together with option `AUTO_PUSHD` and you should have:
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```zsh
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setopt AUTO_PUSHD
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```
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in `.zshrc` (also recommend `PUSHD_IGNORE_DUPS`). Without the option `n-cd`
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will just work as incremental searcher of directory bookmarks.
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## History Widget
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To have `n-history` as the incremental searcher bound to `Ctrl-R` copy `znt-*`
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files into the `*/site-functions` dir (unless you do single file install) and
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add:
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```zsh
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autoload znt-history-widget
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zle -N znt-history-widget
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bindkey "^R" znt-history-widget
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```
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to `.zshrc`. This is done automatically when using the installer, zgen, antigen
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or single file install. Two other widgets exist, `znt-cd-widget` and
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`znt-kill-widget`, they too can be assigned to key combinations (`autoload` is done
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in `.zshrc` so no need of it):
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```zsh
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zle -N znt-cd-widget
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bindkey "^B" znt-cd-widget
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zle -N znt-kill-widget
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bindkey "^Y" znt-kill-widget
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```
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## Introduction
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The tools are:
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- `n-aliases` - browses aliases, relegates editing to `vared`
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- `n-cd` - browses dirstack and bookmarked directories, allows to enter selected directory
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- `n-functions` - browses functions, relegates editing to `zed` or `vared`
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- `n-history` - browses history, allows to edit and run commands from it
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- `n-kill` - browses processes list, allows to send signal to selected process
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- `n-env` - browses environment, relegates editing to `vared`
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- `n-options` - browses options, allows to toggle their state
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- `n-panelize` - loads output of given command into the list for browsing
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All tools support horizontal scroll with `<`,`>`, `{`,`}`, `h`,`l` or left and right cursors. Other keys are:
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- `H`, `?` (from n-history) - run n-help
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- `Ctrl-R` - start n-history, the incremental, multi-keyword history searcher (Zsh binding)
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- `Ctrl-A` - rotate entered words (1+2+3 -> 3+1+2)
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- `Ctrl-F` - fix mode (approximate matching)
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- `Ctrl-L` - redraw of whole display
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- `Ctrl-T` - browse themes (next theme)
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- `Ctrl-G` - browse themes (previous theme)
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- `Ctrl-U` - half page up
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- `Ctrl-D` - half page down
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- `Ctrl-P` - previous element (also done with vim's k)
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- `Ctrl-N` - next element (also done with vim's j)
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- `[`, `]` - jump directory bookmarks in n-cd and typical signals in n-kill
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- `g`, `G` - beginning and end of the list
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- `/` - show incremental search
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- `F3` - show/hide incremental search
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- `Esc` - exit incremental search, clearing filter
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- `Ctrl-W` (in incremental search) - delete whole word
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- `Ctrl-K` (in incremental search) - delete whole line
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- `Ctrl-O`, `o` - enter uniq mode (no duplicate lines)
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- `Ctrl-E`, `e` - edit private history (when in private history view)
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- `F1` - (in n-history) - switch view
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- `F2`, `Ctrl-X`, `Ctrl-/` - search predefined keywords (defined in config files)
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## Configuration
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`ZNT` has configuration files located in `~/.config/znt`. The files are:
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```
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n-aliases.conf
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n-cd.conf
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n-env.conf
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n-functions.conf
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n-history.conf
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n-kill.conf
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n-list.conf
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n-options.conf
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n-panelize.conf
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```
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`n-list.conf` contains main configuration variables:
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```zsh
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# Should the list (text, borders) be drawn in bold
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local bold=0
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# Main color pair (foreground/background)
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local colorpair="white/black"
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# Should draw the border?
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local border=1
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# Combinations of colors to try out with Ctrl-T and Ctrl-G
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# The last number is the bold option, 0 or 1
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local -a themes
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themes=( "white/black/1" "green/black/0" "green/black/1" "white/blue/0" "white/blue/1"
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"magenta/black/0" "magenta/black/1" )
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```
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Read remaining configuration files to see what's in them. Nevertheless, configuration
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can be also set from `zshrc`. There are `5` standard `zshrc` configuration variables:
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```
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znt_history_active_text - underline or reverse - how should be active element highlighted
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znt_history_nlist_coloring_pattern - pattern that can be used to colorize elements
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znt_history_nlist_coloring_color - color with which to colorize
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znt_history_nlist_coloring_match_multiple - should multiple matches be colorized (0 or 1)
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znt_history_keywords (array) - search keywords activated with `Ctrl-X`, `F2` or `Ctrl-/`, e.g. ( "git" "vim" )
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```
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Above variables will work for `n-history` tool. For other tools, change `_history_` to
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e.g. `_cd_`, for the `n-cd` tool. The same works for all `8` tools.
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Common configuration of the tools uses variables with `_list_` in them:
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```
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znt_list_bold - should draw text in bold (0 or 1)
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znt_list_colorpair - main pair of colors to be used, e.g "green/black"
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znt_list_border - should draw borders around windows (0 or 1)
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znt_list_themes (array) - list of themes to try out with Ctrl-T, e.g. ( "white/black/1" "green/black/0" )
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znt_list_instant_select - should pressing enter in search mode leave tool (0 or 1)
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
If you used `ZNT` before `v2.1.12`, remove old configuration files `~/.config/znt/*.conf` so that `ZNT`
|
|||
|
|
can update them to the latest versions that support integration with `Zshrc`. If you used installer
|
|||
|
|
then run it again (after the remove of configuration files).
|
|||
|
|
|
|||
|
|
## Programming
|
|||
|
|
|
|||
|
|
The function `n-list` is used as follows:
|
|||
|
|
|
|||
|
|
```zsh
|
|||
|
|
n-list {element1} [element2] ... [elementN]
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
This is all that is needed to be done to have the features like ANSI coloring,
|
|||
|
|
incremental multi-word search, unique mode, horizontal scroll, non-selectable
|
|||
|
|
elements (grepping is done outside `n-list`, see the tools for how it can be
|
|||
|
|
done). To set up non-selectable entries add their indices into array
|
|||
|
|
`NLIST_NONSELECTABLE_ELEMENTS`:
|
|||
|
|
|
|||
|
|
```zsh
|
|||
|
|
typeset -a NLIST_NONSELECTABLE_ELEMENTS
|
|||
|
|
NLIST_NONSELECTABLE_ELEMENTS=( 1 )
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
Result is stored as `$reply[REPLY]` (`$` isn't needed before `REPLY` because
|
|||
|
|
of arithmetic context inside `[]`). The returned array might be different from
|
|||
|
|
input arguments as `n-list` can process them via incremental search or uniq
|
|||
|
|
mode. `$REPLY` is the index in that possibly processed array. If `$REPLY`
|
|||
|
|
equals `-1` it means that no selection have been made (user quitted via `q`
|
|||
|
|
key).
|
|||
|
|
|
|||
|
|
To set up entries that can be jumped to with `[`,`]` keys add their indices to
|
|||
|
|
`NLIST_HOP_INDEXES` array:
|
|||
|
|
|
|||
|
|
```zsh
|
|||
|
|
typeset -a NLIST_HOP_INDEXES
|
|||
|
|
NLIST_HOP_INDEXES=( 1 10 )
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
`n-list` can automatically colorize entries according to a `Zsh` pattern.
|
|||
|
|
Following example will colorize all numbers with blue:
|
|||
|
|
|
|||
|
|
```zsh
|
|||
|
|
local NLIST_COLORING_PATTERN="[0-9]##"
|
|||
|
|
local NLIST_COLORING_COLOR=$'\x1b[00;34m'
|
|||
|
|
local NLIST_COLORING_END_COLOR=$'\x1b[0m'
|
|||
|
|
local NLIST_COLORING_MATCH_MULTIPLE=1
|
|||
|
|
|
|||
|
|
n-list "This is a number 123" "This line too has a number: 456"
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
Blue is the default color, it doesn't have to be set. See `zshexpn` man page
|
|||
|
|
for more information on `Zsh` patterns. Briefly, comparing to regular
|
|||
|
|
expressions, `(#s)` is `^`, `(#e)` is `$`, `#` is `*`, `##` is `+`. Alternative
|
|||
|
|
will work when in parenthesis, i.e. `(a|b)`. BTW by using this method you can
|
|||
|
|
colorize output of the tools, via their config files (check out e.g. n-cd.conf,
|
|||
|
|
it is using this).
|
|||
|
|
|
|||
|
|
## Performance
|
|||
|
|
|
|||
|
|
`ZNT` are fastest with `Zsh` before `5.0.6` and starting from `5.2`
|
|||
|
|
|
|||
|
|
## A tip
|
|||
|
|
|
|||
|
|
Zsh plugins may look scary, as they seem to have some "architecture". In fact, what a plugin really is, is that:
|
|||
|
|
|
|||
|
|
1. It has its directory added to `fpath`
|
|||
|
|
2. It has any first `*.plugin.zsh` file sourced
|
|||
|
|
|
|||
|
|
That's it. When one contributes to Oh-My-Zsh or creates a plugin for any plugin manager, he only needs to account for this.
|
|||
|
|
The same with doing any non-typical Zsh Navigation Tools installation.
|
|||
|
|
|
|||
|
|
## More
|
|||
|
|
|
|||
|
|
- be aware of [this](https://github.com/psprint/zsh-navigation-tools/blob/f49f910d239ae5bc6e1a5bb34930307b4f4e3ffe/zsh-navigation-tools.plugin.zsh#L35-L49)
|
|||
|
|
|
|||
|
|
## IRC Channel
|
|||
|
|
|
|||
|
|
Channel `#zplugin@freenode` is a support place for all author's projects. Connect to:
|
|||
|
|
[chat.freenode.net:6697](ircs://chat.freenode.net:6697/%23zplugin) (SSL) or [chat.freenode.net:6667](irc://chat.freenode.net:6667/%23zplugin)
|
|||
|
|
and join #zplugin.
|
|||
|
|
|
|||
|
|
Following is a quick access via Webchat [](https://kiwiirc.com/client/chat.freenode.net:+6697/#zplugin)
|
|||
|
|
|
|||
|
|
# Fixing tmux, screen and linux vt
|
|||
|
|
|
|||
|
|
If `TERM=screen-256color` (often a case for `tmux` and `screen` sessions) then
|
|||
|
|
`ncv` terminfo capability will have `2`nd bit set. This in general means that
|
|||
|
|
underline won't work. To fix this by creating your own `ncv=0`-equipped
|
|||
|
|
terminfo file, run:
|
|||
|
|
|
|||
|
|
```zsh
|
|||
|
|
{ infocmp -x screen-256color; printf '\t%s\n' 'ncv@,'; } > /tmp/t && tic -x /tmp/t
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
A file will be created in directory `~/.terminfo` and will be automatically
|
|||
|
|
used, `tmux` and `screen` will work. Similar is for Linux virtual terminal:
|
|||
|
|
|
|||
|
|
```zsh
|
|||
|
|
{ infocmp -x linux; printf '\t%s\n' 'ncv@,'; } > /tmp/t && tic -x /tmp/t
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
It will not display underline properly, but will instead highlight by a color,
|
|||
|
|
which is quite nice. The same will not work for FreeBSD's vt, `ZNT` will detect
|
|||
|
|
if that vt is used and will revert to highlighting elements via `reverse` mode.
|
|||
|
|
|