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README: Cleaning some things up.

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Ben Hilburn 2016-01-05 15:18:46 -08:00
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README.md
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@ -6,7 +6,8 @@ ZSH, [Oh-My-Zsh](https://github.com/robbyrussell/oh-my-zsh), or
[Prezto](https://github.com/sorin-ionescu/prezto), and can also be installed [Prezto](https://github.com/sorin-ionescu/prezto), and can also be installed
using [antigen](https://github.com/zsh-users/antigen). using [antigen](https://github.com/zsh-users/antigen).
Look like a bad-ass. Impress everyone in 'Screenshot Your Desktop' threads. Use powerlevel9k. Be a badass. Get more out of your terminal. Impress everyone in 'Screenshot Your
Desktop' threads. Use powerlevel9k.
![](http://bhilburn.org/content/images/2015/01/pl9k-improved.png) ![](http://bhilburn.org/content/images/2015/01/pl9k-improved.png)
@ -126,7 +127,10 @@ Supports both OS X and Linux(time remaining requires the acpi program on Linux)
##### custom_command ##### custom_command
The `custom_...` segment lets you add a custom command to your prompt, to e.g. display the wifi signal. You choose a name for the segment yourself, (here signal), and then set the appropriate variables, as so (based on the name you chose) The `custom_...` segment allows you to turn the output of a custom command into
a prompt segment. As an example, if you wanted to create a custom segment to
display your WiFi signal strength, you might define a custom segment called
`custom_signal` like this:
POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context time battery dir vcs virtualenv custom_signal) POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context time battery dir vcs virtualenv custom_signal)
POWERLEVEL9K_CUSTOM_SIGNAL="echo signal: \$(nmcli device wifi | grep yes | awk '{print \$8}')" POWERLEVEL9K_CUSTOM_SIGNAL="echo signal: \$(nmcli device wifi | grep yes | awk '{print \$8}')"
@ -134,11 +138,8 @@ The `custom_...` segment lets you add a custom command to your prompt, to e.g. d
POWERLEVEL9K_CUSTOM_SIGNAL_FOREGROUND="yellow" POWERLEVEL9K_CUSTOM_SIGNAL_FOREGROUND="yellow"
POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(aws status load ram) POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(aws status load ram)
gives Instead of writing out the command in-line within the environment variable, you
can also add it as a function in your `.zshrc`:
![simplesignal](http://i.imgur.com/SQmYVFL.png)
Instead of defining the command inline (if it is kinda long or unreadable), one can also add a function to the .zshrc like:
zsh_signal(){ zsh_signal(){
local signal=$(nmcli device wifi | grep yes | awk '{print $8}') local signal=$(nmcli device wifi | grep yes | awk '{print $8}')
@ -148,41 +149,23 @@ Instead of defining the command inline (if it is kinda long or unreadable), one
echo -n "%{$color%}\uf230 $signal%{%f%}" # \uf230 is  echo -n "%{$color%}\uf230 $signal%{%f%}" # \uf230 is 
} }
And then by changing the custom commands array (and rearranging a bit the prompt elements) to read: You would then invoke the function in your custom segment:
POWERLEVEL9K_CUSTOM_SIGNAL="zsh_signal" POWERLEVEL9K_CUSTOM_SIGNAL="zsh_signal"
Then this updated command looks like: The command, above, gives you the wireless signal segment shown below:
![signal](http://i.imgur.com/hviMATC.png) ![signal](http://i.imgur.com/hviMATC.png)
You can also have multiple custom commands. Say you have You can define as many custom segments as you wish. If you think you have
a segment that others would find useful, please consider upstreaming it to the
POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context time battery custom_signal dir vcs virtualenv custom_time ) main theme distribution so that everyone can use it!
POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(aws status load ram custom_docker)
POWERLEVEL9K_CUSTOM_SIGNAL="zsh_signal"
POWERLEVEL9K_CUSTOM_SIGNAL_FOREGROUND="white"
POWERLEVEL9K_CUSTOM_SIGNAL_BACKGROUND="black"
POWERLEVEL9K_CUSTOM_DOCKER='echo "\uf299 $(docker ps -a | grep Up | wc -l)"' # \uf299 is 
POWERLEVEL9K_CUSTOM_DOCKER_FOREGROUND="white"
POWERLEVEL9K_CUSTOM_DOCKER_BACKGROUND="blue"
POWERLEVEL9K_CUSTOM_TIME='echo "$(date +%s)"'
POWERLEVEL9K_CUSTOM_TIME_FOREGROUND="black"
POWERLEVEL9K_CUSTOM_TIME_BACKGROUND="yellow"
Then you get:
![](http://i.imgur.com/QGGBTqY.png)
##### context ##### context
The `context` segment (user@host string) is conditional. This lets you enable it, but only display The `context` segment (user@host string) is conditional. This lets you enable
it if you are not your normal user or on a remote host (basically, only print it it, but only display it if you are not your normal user or on a remote host
when it's likely you need it). (basically, only print it when it's likely you need it).
To use this feature, make sure the `context` segment is enabled in your prompt To use this feature, make sure the `context` segment is enabled in your prompt
elements (it is by default), and define a `DEFAULT_USER` in your `~/.zshrc`: elements (it is by default), and define a `DEFAULT_USER` in your `~/.zshrc`:
@ -205,14 +188,15 @@ To change the way how the current working directory is truncated, just set:
POWERLEVEL9K_SHORTEN_STRATEGY="truncate_from_right" POWERLEVEL9K_SHORTEN_STRATEGY="truncate_from_right"
# default behaviour is to truncate whole directories # default behaviour is to truncate whole directories
You can also change the delimiter (the dots in between) which is used to truncate the working directory. This setting is optional. The default are 2 dots. You can also change the delimiter (the dots in between text) from 2 dots to something custom:
# set the delimiter to an empty string to hide it # set the delimiter to an empty string to hide it
POWERLEVEL9K_SHORTEN_DELIMITER="" POWERLEVEL9K_SHORTEN_DELIMITER=""
# or set it to anything else you want (e.g. 3 dots) # or set it to anything else you want (e.g. 3 dots)
POWERLEVEL9K_SHORTEN_DELIMITER="..." POWERLEVEL9K_SHORTEN_DELIMITER="..."
With this you could achive the truncate behaviour of the fish shell. Which turncates `/usr/share/plasma` to `/u/s/plasma` For example, if you wanted the truncation behavior of the `fish` shell, which
truncates `/usr/share/plasma` to `/u/s/plasma`, you would use the following:
POWERLEVEL9K_SHORTEN_DIR_LENGTH=1 POWERLEVEL9K_SHORTEN_DIR_LENGTH=1
POWERLEVEL9K_SHORTEN_DELIMITER="" POWERLEVEL9K_SHORTEN_DELIMITER=""