zelda-battery.sh

#!/bin/sh                                                                                                                                                             
#
# Slight modification to the original: https://gist.github.com/4323782
# This uses `cut` because it's Zelda, Link wouldn't use perl! He cuts
# with his sword.
#
# Works best with blinking text; the last heart will blink
# when you have less than 25% of your battery life remaining.

BATTERY="$(pmset -g ps | tail -1 | cut -f 2 |cut -f 1 -d ';' | cut -f 1 -d '%')"                                                                                                

if [[ $BATTERY -lt 25 ]]; then                                                                                                                                                  
  printf "\e[5;31m♥\e[0;31m♡♡\e[0m\n"                                                                                                                                           
elif [[ $BATTERY -lt 50 ]]; then                                                                                                                                                
  printf "\e[31m♥♡♡\e[0m\n"                                                                                                                                                     
elif [[ $BATTERY -lt 75 ]]; then                                                                                                                                                
  printf "\e[31m♥♥♡\e[0m\n"                                                                                                                                                     
else                                                                                                                                                                            
  printf "\e[31m♥♥♥\e[0m\n"                                                                                                                                                     
fi