Goodzone Fabric Convert script copied from http://tmp4747.narod.ru/2010-07-21-19-41-goodzone-fabric-convert/index.xhtml

goodzone-fabric-convert.inc

# -*- mode: sh; coding: utf-8 -*-

GOODZONE_FABRIC_WATERMARK_IMG=/home/regular-user/work/goodzone-fabric-convert/data/watermark.png

goodzone_fabric_convert_ico () {
    mogrify -resize 160x160 "$@"
}

goodzone_fabric_convert_watermark () {
    composite -compose atop -gravity center "$GOODZONE_FABRIC_WATERMARK_IMG" "$1" "$1"
}

goodzone_fabric_convert () {
    mogrify -resize 800 "$@"
    for arg
    do
        goodzone_fabric_convert_watermark "$arg"
    done
}