resize_var="x1080"
if [ "$1" != "" ]; then resize_var="$1"; fi
for file in *jpg ; do 
	if [ "$1" == "" ]; then
		height="$(identify -quiet ${file} | cut -f3 -d' ' | cut -f2 -d'x')"
		width="$(identify -quiet ${file}  | cut -f3 -d' ' | cut -f1 -d'x')"
		if [ "${height}" != "" ] && [ "${width}" != "" ]; then 	
			if [ ${height} -gt ${width} ]; then
				resize_var="x1080"
			else
				resize_var="1920"
			fi
		fi
	fi
	echo "Transform $file to ${resize_var}"
	convert -quiet "$file" -resize ${resize_var} $(echo "NEW/${file}" | sed 's/jp[e]\?g/png/g')
done