Full Code of hmml/awesome-zsh for AI

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└── README.md

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Awesome ZSH
===========
This document briefly covers ZSH shell and serves as a quick summary of its many features. It's not a full guide nor a detailed documentation. It's merely a scratchpad from my journey into ZSH. 

*Document assumes moderate knowledge of Bash shell.*

## Enable ZSH

	$ chsh -s /bin/zsh         # setting zsh as default shell
	                           # or simply use oh-my-zsh installer

## Completions

	% autoload -U compinit && compinit
	% cp -<TAB>
	% kill <TAB>

## ZSH on steroids (oh-my-zsh installed)

 - Install oh-my-zsh from [github](https://github.com/robbyrussell/oh-my-zsh)
 - Update configuration to your needs in `~/.zshrc`
 - Put custom configuration in `~/.oh-my-zsh/custom`

## Extended globing & qualifiers

	% echo *        # like in bash
	% echo **/*     # glob recursively
	% echo **/*(.)  # glob recursively (just files)
	$ echo **/*(/)  # glob recursively (just directories)

## Redirects

	% echo Hello >a.txt >&1         # print Hello to both a.txt and stdout
	% echo Hello >a.txt >/dev/fd/0  # same
	$ echo hello | tee a.txt        # same thing in bash
	% echo Hello >a.txt >b.txt      # print Hello to both a.txt and b.txt

## Auto change directories

	~% coding
	coding% 

	% unsetopt auto_cd      # to disable

## Expand paths

	~% cd c/w/m/i<TAB>
    ~% cd coding/work/mobile/ios

but if path is not unique:

	~% cd c/w<TAB>
	~% cd coding/w
	work  week  wrong

## Path replacement

	~% cd /usr/local/bin
	/usr/local/bin% cd bin share
	/usr/local/share%

## Expand variables

	~% echo %PATH<TAB>
	~% echo /opt/local/bin:/opt/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin

	% vared PATH         # load PATH variable into line editor, ENTER to accept

## Approximated completion

    # ~/.oh-my-zsh/custom/completions.zsh
    # Allow aproximation when completing
    zstyle ':completion:::::' completer _complete _approximate
    zstyle ':completion:*:approximate:*' max-errors 2

then try it out:

	~% cd codign/wo<TAB>
    ~% cd coding/work/

	~% cp --reg<TAB>
	~% cp --recursively

## SSH remote hosts

	~% ssh user@m<TAB>
    ~% ssh user@myserver.com

## Remote path completion

	~% git clone myserver.com:/home/user/<TAB>
    ~% git clone myserver.com:/home/user
    repo-a.git  repo-b.git  repo-c.git

## Iterating over files

	$ for f in *.txt; do echo $f; done  # bash
	% for f (*.txt) { echo $f; }        # same thing in zsh

## Renaming

	% autoload -U zmv                    # load zmv first
	% zmv '(*).txt' '$1.html'
	% zmv -n '(*).txt' '$1.html'
	% zmv -n '(**/)(*).txt' '$1/$2.html'

More examples at [zshwiki](http://zshwiki.org/home/builtin/functions/zmv).

## History navigation

	% zmv <UP>      # it will only iterate over history elements starting with zmv
	
## Better history navigation
If you have oh-my-zsh installed then enable ``history-substring-search`` plugin (``~/.zshrc``):

    plugins=(history-substring-search ...)	
    
You'll get even better context history navigation (with colors).

## Locating stuff
	
	% which echo ls sh
	% whence echo ls sh
	% echo =ls	

## Various Prompts

Modify `~/.zshrc` from:

	ZSH_THEME="robbyrussell"

to

	ZSH_THEME="random"

Each new zsh will get random theme. You can see them all at [wiki](https://github.com/robbyrussell/oh-my-zsh/wiki/themes).

## Custom hooks

    # ~/.oh-my-zsh/custom/utils.zsh
    # directory change hook
    #
    function chpwd; {
        if [[ "$PWD" == "/etc" ]]; then
    	    echo "You have entered /etc, don't break anything!"
        fi
    }
	
Then try it out:	
	
	~% cd /etc
    You have entered /etc, don't break anything!
    /etc%	


# Reference
1. [oh-my-zsh](https://github.com/robbyrussell/oh-my-zsh)
2. [ZSH Tips by ZZapper](http://www.rayninfo.co.uk/tips/zshtips.html)
3. [10 zsh tricks you may not know...](http://chneukirchen.org/blog/archive/2008/02/10-zsh-tricks-you-may-not-know.html)
4. [ZSH documentation](http://zsh.sourceforge.net/Guide/zshguide.html)
5. [Advanced Bash programming](http://www.tldp.org/LDP/abs/html/)
6. [Shell programming with bash: by example, by counter-example](http://matt.might.net/articles/bash-by-example/)

# License

Document released under [Attribution-NonCommercial-ShareAlike 4.0 International](http://creativecommons.org/licenses/by-nc-sa/4.0/deed.en_US). In other words: noncommercial, requires attribution and must be reproduced with a similar license.