addPref.bash

#!/bin/bash
if [ "$1" == "" ]; then
  echo 'appends pref to your profile pref.js'
  echo 'Usage: ./addPref.bash [path to prefs.js]'
  exit
fi

pref0="user_pref(\"services.sync.log.appender.file.logOnSuccess\", true);"
echo $pref0 >> $1 
echo "pref added"
tail -n 2 "$1"