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added a segment to be able to display the result of a custom command.

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Matthías Páll Gissurarson 2015-11-18 23:45:22 +01:00
commit df51db1412
3 changed files with 81 additions and 2 deletions
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README.md
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@ -73,6 +73,7 @@ The segments that are currently available are:
* [aws](#aws) - The current AWS profile, if active.
* [battery](#battery) - Current battery status.
* [context](#context) - Your username and host.
* [custom_command](#custom_command) - A custom command to display the output of.
* [dir](#dir) - Your current working directory.
* **go_version** - Show the current GO version.
* **history** - The command number for the current line.
@ -121,6 +122,59 @@ In addition to the above it supports standard _FOREGROUND value without affectin
Supports both OS X and Linux(time remaining requires the acpi program on Linux)
##### 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)
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_BACKGROUND="blue"
POWERLEVEL9K_CUSTOM_SIGNAL_FOREGROUND="yellow"
POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(aws status load ram)
gives
![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(){
local signal=$(nmcli device wifi | grep yes | awk '{print $8}')
local color='%F{yellow}'
[[ $signal -gt 75 ]] && color='%F{green}'
[[ $signal -lt 50 ]] && color='%F{red}'
echo -n "%{$color%}\uf230 $signal%{%f%}" # \uf230 is 
}
And then by changing the custom commands array (and rearranging a bit the prompt elements) to read:
POWERLEVEL9K_CUSTOM_SIGNAL="zsh_signal"
Then this updated command looks like:
![signal](http://i.imgur.com/hviMATC.png)
You can also have multiple custom commands. Say you have
POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context time battery custom_signal dir vcs virtualenv custom_time )
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