Growl Notify for zsh

growlnotify.zshrc

# 時間がかかったらgrowlで終了通知
local COMMAND=""
local COMMAND_TIME=""
precmd() {
    if [ "$COMMAND_TIME" -ne "0" ] ; then
        local d=`date +%s`
        d=`expr $d - $COMMAND_TIME`
        if [ "$d" -ge "30" ] ; then
             COMMAND="$COMMAND "
             echo -ne "\a"
             growlnotify -t "${${(s: :)COMMAND}[1]}" -m "$COMMAND"
        fi
    fi
    COMMAND="0"
    COMMAND_TIME="0"
}
preexec () {
    COMMAND="${1}"
    COMMAND_TIME=`date +%s`
}