#!/bin/sh -e

trap "rm -f \"$1\".jpegtran.jpg" HUP PIPE INT QUIT TERM EXIT
jpegtran -optimize -progressive -perfect -copy all "$1" > "$1".jpegtran.jpg
cjxl "$1".jpegtran.jpg "${1%.*}.jxl" -q 100 -e 9
[ -s "${1%.*}.jxl" ]
rm "$1"