#!/bin/bash

exif "$1" | grep ^Orientation | tr -d ' ' | (
	IFS='|' read label value

	case "$value" in
		'top-left')
			angle=0
		;;
		'right-top')
			angle=90
		;;
		'bottom-right')
			angle=180
		;;
		'left-bottom')
			angle=270
		;;
		*)
			angle=0
		;;
	esac

	echo -n "$angle"
)