#!/bin/bash
if test $# -lt 1 ; then
    echo color-skel hexcolor ... >&2
    echo for example: >&2
    echo color-skel 663300 >&2
    exit 2
fi                       

# use gif images in white directory as input
# use map in current directory as input

MAP=map.gif

mkdir -p $1

convert -fill "#$1" -draw 'color 0,0 point' $MAP $1/map-$1.gif                                                  
for image in `find *.gif` ; do {
    convert -map $1/map-$1.gif $image $1/$1-$image
    echo "convert -map $1/map-$1.gif $image $1/$1-$image"
};
done