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129 lines
3.5 KiB
Markdown
129 lines
3.5 KiB
Markdown
[](https://pypi.python.org/pypi/cheat/)
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[](https://pypi.python.org/pypi/cheat/)
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cheat
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=====
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`cheat` allows you to create and view interactive cheatsheets on the
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command-line. It was designed to help remind \*nix system administrators of
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options for commands that they use frequently, but not frequently enough to
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remember.
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Example
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-------
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The next time you're forced to disarm a nuclear weapon without consulting
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Google, you may run:
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```sh
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cheat tar
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```
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You will be presented with a cheatsheet resembling:
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```sh
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# To extract an uncompressed archive:
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tar -xvf '/path/to/foo.tar'
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# To extract a .gz archive:
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tar -xzvf '/path/to/foo.tgz'
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# To create a .gz archive:
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tar -czvf '/path/to/foo.tgz' '/path/to/foo/'
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# To extract a .bz2 archive:
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tar -xjvf '/path/to/foo.tgz'
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# To create a .bz2 archive:
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tar -cjvf '/path/to/foo.tgz' '/path/to/foo/'
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```
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To see what cheatsheets are available, run `cheat -l`.
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Note that, while `cheat` was designed primarily for \*nix system administrators,
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it is agnostic as to what content it stores. If you would like to use `cheat`
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to store notes on your favorite cookie recipes, feel free.
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Installing
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----------
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It is recommended to install `cheat` with `pip`:
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```sh
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[sudo] pip install cheat
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```
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[Other installation methods are available][installing].
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Modifying Cheatsheets
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---------------------
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The value of `cheat` is that it allows you to create your own cheatsheets - the
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defaults are meant to serve only as a starting point, and can and should be
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modified.
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Cheatsheets are stored in the `~/.cheat/` directory, and are named on a
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per-keyphrase basis. In other words, the content for the `tar` cheatsheet lives
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in the `~/.cheat/tar` file.
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Provided that you have a `CHEAT_EDITOR`, `VISUAL`, or `EDITOR` environment
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variable set, you may edit cheatsheets with:
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```sh
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cheat -e foo
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```
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If the 'foo' cheatsheet already exists, it will be opened for editing.
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Otherwise, it will be created automatically.
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After you've customized your cheatsheets, I urge you to track `~/.cheat/` along
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with your [dotfiles][].
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Configuring
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-----------
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### Setting a DEFAULT_CHEAT_DIR ###
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Personal cheatsheets are saved in the `~/.cheat` directory by default, but you
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can specify a different default by exporting a `DEFAULT_CHEAT_DIR` environment
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variable:
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```sh
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export DEFAULT_CHEAT_DIR='/path/to/my/cheats'
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```
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### Setting a CHEATPATH ###
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You can additionally instruct `cheat` to look for cheatsheets in other
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directories by exporting a `CHEATPATH` environment variable:
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```sh
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export CHEATPATH='/path/to/my/cheats'
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```
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You may, of course, append multiple directories to your `CHEATPATH`:
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```sh
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export CHEATPATH="$CHEATPATH:/path/to/more/cheats"
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```
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You may view which directories are on your `CHEATPATH` with `cheat -d`.
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### Enabling Syntax Highlighting ###
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`cheat` can apply syntax highlighting to your cheatsheets if so desired. To
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enable this feature, set a `CHEATCOLORS` environment variable:
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```sh
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export CHEATCOLORS=true
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```
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See Also:
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---------
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- [Enabling Command-line Autocompletion][autocompletion]
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- [Related Projects][related-projects]
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[autocompletion]: https://github.com/chrisallenlane/cheat/wiki/Enabling-Command-line-Autocompletion
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[dotfiles]: http://dotfiles.github.io/
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[installing]: https://github.com/chrisallenlane/cheat/wiki/Installing
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[related-projects]: https://github.com/chrisallenlane/cheat/wiki/Related-Projects
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