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    A Node.js based command-line client for tldr.

    tldr screenshot

    tldr-node-client's output for the tar page, using a custom color theme


    npm install -g tldr


    To see tldr pages:

    • tldr <command> show examples for this command
    • tldr <command> --os=<platform> show command page for the given platform (linux, osx, sunos, windows)
    • tldr --search "<query>" search all pages for the query
    • tldr --linux <command> show command page for Linux
    • tldr --osx <command> show command page for OSX
    • tldr --sunos <command> show command page for SunOS
    • tldr --windows <command> show command page for Windows
    • tldr --list show all pages for current platform
    • tldr --list-all show all available pages
    • tldr --random show a page at random
    • tldr --random-example show a single random example
    • tldr --markdown show the original markdown format page

    The client caches a copy of all pages locally, in ~/.tldr. There are more commands to control the local cache:

    • tldr --update download the latest pages and generate search index
    • tldr --clear-cache delete the entire local cache

    As a contributor, you might also need the following commands:

    • tldr --render <path> render a local page for testing purposes

    Tldr pages defaults to showing pages in the current language of the operating system, or English if that's not available. To view tldr pages for a different language, set an environment variable LANG containing a valid POSIX locale (such as zh, pt_BR, or fr) and then run the above commands as usual. In most *nix systems, this variable will already be set.

    It is suggested that the LANG environment variable be set system-wide if this isn't already the case. Users without sudo access can set it locally in their ~/.profile.

    • LANG=zh tldr <command>

    For the list of available translations, please refer to the main tldr repo.


    You can configure the tldr client by adding a .tldrrc file in your HOME directory. You can copy the contents of the config.json file from the repo to get the basic structure to start with, and modify it to suit your needs.

    The default color theme is the one named "simple". You can change the theme by assigning a different value to the "theme" variable -- either to one of the pre-configured themes, or to a new theme that you have previously created in the "themes" section. Note that the colors and text effects you can choose are limited. Refer to the chalk documentation for all options.

      "themes": {
        "ocean": {
          "commandName": "bold, cyan",
          "mainDescription": "",
          "exampleDescription": "green",
          "exampleCode": "cyan",
          "exampleToken": "dim"
        "myOwnCoolTheme": {
          "commandName": "bold, red",
          "mainDescription": "underline",
          "exampleDescription": "yellow",
          "exampleCode": "underline, green",
          "exampleToken": ""
      "theme": "ocean"

    If you regularly need pages for a different platform (e.g. Linux), you can put it in the config file:

      "platform": "linux"

    The default platform value can be overwritten with command-line option:

    tldr du --os=osx

    As a contributor, you can also point to your own fork containing the file. The file is just a zipped version of the entire tldr repo:

      "repository": "http://myrepo/assets/"

    By default, a cache update is performed anytime a page is not found for a command. To prevent this behavior, you can set the configuration variable skipUpdateWhenPageNotFound to true (defaults to false):

      "skipUpdateWhenPageNotFound": true

    Command-line Autocompletion

    Currently we only support command-line autocompletion for zsh and bash. Pull requests for other shells are most welcome!


    It's easiest for oh-my-zsh users, so let's start with that.

    mkdir -p $ZSH_CUSTOM/plugins/tldr
    ln -s bin/completion/zsh/_tldr $ZSH_CUSTOM/plugins/tldr/_tldr

    Then add tldr to your oh-my-zsh plugins, usually defined in ~/.zshrc, resulting in something looking like this:

    plugins=(git tmux tldr)

    Alternatively, using zplug

    zplug "tldr-pages/tldr-node-client", use:bin/completion/zsh

    Fret not regular zsh user! Copy or symlink bin/completion/zsh/_tldr to my/completions/_tldr (note the filename). Then add the containing directory to your fpath:

    fpath = (my/completions $fpath)


    ln -s bin/completion/bash/tldr ~/.tldr-completion.bash

    Now add the following line to our bashrc file:

    source ~/.tldr-completion.bash


    Installation Issues

    • If you are trying to install as non-root user (npm install -g tldr) and get something like:
    Error: EACCES: permission denied, access '/usr/local/lib/node_modules/tldr'

    Then most probably your npm's default installation directory has improper permissions. You can resolve it by clicking here

    • If you are trying to install as a root user (sudo npm install -g tldr) and get something like:
    as root ->
    gyp WARN EACCES attempting to reinstall using temporary dev dir "/usr/local/lib/node_modules/tldr/node_modules/webworker-threads/.node-gyp"
    gyp WARN EACCES user "root" does not have permission to access the dev dir "/usr/local/lib/node_modules/tldr/node_modules/webworker-threads/.node-gyp/8.9.1"

    You need to add the option --unsafe-perm to your command. This is because when npm goes to the postinstall step, it downgrades the permission levels to "nobody". Probably you should fix your installation directory permissions and install as a non-root user in the first place.

    • If you see an error related to webworker-threads like:
        if (e.code !== 'MODULE_NOT_FOUND') throw e;

    Most probably you need to reinstall node-gyp and webworker-threads. Try this -

    sudo -H npm uninstall -g tldr
    sudo -H npm uninstall -g webworker-threads
    npm install -g node-gyp
    npm install -g webworker-threads
    npm install -g tldr

    For further context, take a look at this issue

    Colors under Cygwin

    Colors can't be shown under Mintty or PuTTY, because the dependency colors.js has a bug. Please show support to this pull request, so it can be merged.

    Meanwhile, you can do one of the following to fix this issue:

    • Add the following script to your shell's rc file (.zshrc, .bashrc, etc.): (RECOMMENDED)
    tldr_path="$(which tldr)"
    function tldr() {
      eval "$tldr_path" $@ "--color"
    • Add alias tldr="tldr --color=true" to your shell's rc file.
    • Prepend process.stdout.isTTY = true; to tldr.js (NOT RECOMMENDED)
    • Fix colors.js's logic (NOT RECOMMENDED)
      • Go to %appdata%\npm\node_modules\tldr\node_modules\colors\lib\system\
      • Overwrite supports-colors.js with supports-colors.js from my repo.
    • Use CMD.exe.


    Contribution are most welcome! Have a look over here for a few rough guidelines.


    npm i tldr

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