#! /bin/bash

# Makes thumbnails for gallery.php

set -eu

thumbdir=thumb

if test -d "$thumbdir"
then
	for file in "$thumbdir"/*
	do
		test -f "$(basename "$file")" || rm "$file"
	done
else
	mkdir "$thumbdir"
fi

for x in *
do
	test -f "$x" || continue
	test -f "$thumbdir/$x" -a "$x" -ot "$thumbdir/$x" && continue

	file --brief --dereference --mime "$x" 2>/dev/null | grep -q '^image\/' || continue

	echo -n "$x: "
	convert -size 300x200 "$x" -resize 300x200 "$thumbdir/$x"
	echo done.
done