#autoload

local num title

# Don't output anything if STDOUT isn't a tty
[[ -t 1 ]] || return 1

type="$1"

if (( $# > 0 )); then
  shift
  title="$1"
fi

window_or_icon () {
  code="$1"
  # Other checks will need to be added here.  Could switch on output of tty(1).
  if [[ "$TERM" == 'linux' ]]; then
    :
    #echo "Cannot currently display '$1' title; only remembering value set."
  else
    # note screen will swallow this
    echo -n "\e]$code;$title\a"
  fi
}

case "$type" in
  icon)   window_or_icon 1;;
  window) window_or_icon 2;;
  screen) echo -n "\ek$title\e\\" ;;
  *)      print "Usage: set_title ( window | icon | screen ) <title>"
          return 1 ;;
esac