#!/usr/bin/env bash
#
# print 'Opera.app' pid

usage() {
    echo "usage: $(basename $0)" 1>&2
    [ "$1" = "-h" ] || [ "$1" = "--help" ]; exit
}

[ "$1" = "-h" ] || [ "$1" = "--help" ] && usage "$@"

ps -ax | grep -v grep | grep "Opera.app" | head -1 | awk '{print $1}'
