stretchhsv_recompress.sh

#! /bin/bash

# given a list of images in any GIMP-recognized format, automatically process all of them in GIMP and then generate recompressed JPEGs with jpeg-recompress (from jpeg-archive)
# output goes in the working directory
# uses "stretchhsv.sh" for the GIMP step and "recompress_jpg.sh" for the jpeg-archive step

gimp_command="$(dirname $0)/stretchhsv.sh"
recompress_command="$(dirname $0)/recompress_jpg.sh"


if [ ! -n "$1" ]
then
	echo "usage: $(basename $0) file1.jpg file2.jpg file3.png ..." >&2
	exit 1
fi


set -euo pipefail

tmp_dir=$(mktemp -d --suffix .stretchhsv_recompress)
out_dir=$(pwd)
infiles=()
for filename in "$@"
do
	infiles+=("$(readlink -f $filename)")
done

cd $tmp_dir
$gimp_command ${infiles[@]}
cd $out_dir
$recompress_command $tmp_dir/*

rm -rf $tmp_dir