#!/bin/sh
# $Id: pref-set-boolean,v 1.2 2012/11/16 19:39:49 friedman Exp $

domain=${1%.plist}
   key=$2
   val=$3

case $#:$key in
  3:* ) : ;;
  [01]:* | *:true | *:false | *:[01] )
        echo "Usage: ${0##*/} [domain] [key] {val}" 1>&2
        exit 1 ;;
esac

case $val in
    '' | toggle )
        cur=`defaults read "$domain" "$key" 2> /dev/null`
        case $cur in
            0 | '' ) val=true  ;;
            1 )      val=false ;;
        esac ;;
    0 ) val=false ;;
    1 ) val=true  ;;
esac

set -e

defaults write "$domain" "$key" -boolean "$val"
defaults read  "$domain" "$key" | sed -e 's/0/false/' -e 's/1/true/'

# Keep system files readable
case $domain in
    /* ) plutil -convert xml1 "$domain".plist ;;
esac

# eof