#!/usr/bin/python3
#
# Minify Font Awesome js.all
#
# Remove all unused icons
#
# Pass a list of icon names (remove the "fa-" prefix), comma separated
#
# Usage example: minify-fa-js.py home,address-card
#
# Reads from STDIN, writes to STDOUT
#
import sys
import re

if len(sys.argv) < 2:
   print("Usage (example): minify-fa-js.py home,address-card")
   sys.exit(1)

fontnames = sys.argv[1].split(",")

for line in sys.stdin:
   if re.search(r"\"[0-9a-z-]+\": \[", line):
       for fontname in fontnames:
           ss = '"'+fontname+'": ['
           if ss in line:
               print(line),
   else:
       print(line),