#!/bin/bash

if [ $# -eq 0 ]; then
    echo "extract_nyrola_thumbnail.sh {filename.jpg}"
    exit 1
fi

jpegtopnm $1 2>/dev/null | pnmcut 10 7 256 256 | pnmscale -xsize 64 -ysize 64 | pnmtojpeg 2>/dev/null
#