#!/usr/bin/env bash
#
# print 1 if 'Opera.app' is frontmost, else 0

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

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

[[ $# != 0 ]] && usage "$@"

set "com.operasoftware.Opera"
front="$(/usr/bin/lsappinfo front)" || exit
/usr/bin/lsappinfo info -only bundleID "$front" | grep -iq "$1" && echo 1 || echo 0
