zsh/plugins/battery/battery.plugin.zsh

   1 ###########################################
   2 # Battery plugin for oh-my-zsh            #
   3 # Original Author: Peter hoeg (peterhoeg) #
   4 # Email: peter@speartail.com              #
   5 ###########################################
   6 # Author: Sean Jones (neuralsandwich)     #
   7 # Email: neuralsandwich@gmail.com         #
   8 # Modified to add support for Apple Mac   #
   9 ###########################################
  10
  11 if [[ $(uname) == "Darwin" ]] ; then
  12
  13   function battery_pct_remaining() {
  14     if [[ $(ioreg -rc AppleSmartBattery | grep -c '^.*"ExternalConnected"\ =\ No') -eq 1 ]] ; then
  15       typeset -F maxcapacity=$(ioreg -rc "AppleSmartBattery"| grep '^.*"MaxCapacity"\ =\ ' | sed -e 's/^.*"MaxCapacity"\ =\ //')
  16       typeset -F currentcapacity=$(ioreg -rc "AppleSmartBattery"| grep '^.*"CurrentCapacity"\ =\ ' | sed -e 's/^.*CurrentCapacity"\ =\ //')
  17       integer i=$(((currentcapacity/maxcapacity) * 100))
  18       echo $i
  19     else
  20       echo "External Power"
  21     fi
  22   }
  23
  24   function battery_time_remaining() {
  25     if [[ $(ioreg -rc AppleSmartBattery | grep -c '^.*"ExternalConnected"\ =\ No') -eq 1 ]] ; then
  26       timeremaining=$(ioreg -rc "AppleSmartBattery"| grep '^.*"AvgTimeToEmpty"\ =\ ' | sed -e 's/^.*"AvgTimeToEmpty"\ =\ //')
  27       echo "~$((timeremaining / 60)):$((timeremaining % 60))"
  28     else
  29       echo "∞"
  30     fi
  31   }
  32
  33   function battery_pct_prompt () {
  34     if [[ $(ioreg -rc AppleSmartBattery | grep -c '^.*"ExternalConnected"\ =\ No') -eq 1 ]] ; then
  35       b=$(battery_pct_remaining)
  36       if [ $b -gt 50 ] ; then
  37         color='green'
  38       elif [ $b -gt 20 ] ; then
  39         color='yellow'
  40       else
  41         color='red'
  42       fi
  43       echo "%{$fg[$color]%}[$(battery_pct_remaining)%%]%{$reset_color%}"
  44     else
  45       echo ""
  46     fi
  47   }
  48
  49 elif [[ $(uname) == "Linux"  ]] ; then
  50
  51   if [[ $(acpi 2&>/dev/null | grep -c '^Battery.*Discharging') -gt 0 ]] ; then
  52     function battery_pct_remaining() { echo "$(acpi | cut -f2 -d ',' | tr -cd '[:digit:]')" }
  53     function battery_time_remaining() { echo $(acpi | cut -f3 -d ',') }
  54     function battery_pct_prompt() {
  55       b=$(battery_pct_remaining)
  56       if [ $b -gt 50 ] ; then
  57         color='green'
  58       elif [ $b -gt 20 ] ; then
  59         color='yellow'
  60       else
  61         color='red'
  62       fi
  63       echo "%{$fg[$color]%}[$(battery_pct_remaining)%%]%{$reset_color%}"
  64     }
  65   else
  66     error_msg='no battery'
  67     function battery_pct_remaining() { echo $error_msg }
  68     function battery_time_remaining() { echo $error_msg }
  69     function battery_pct_prompt() { echo '' }
  70   fi
  71 fi