#!/bin/bash

function warmup () {
  echo "Warmup pass..."
  scanimage --device umax:/dev/sgc --mode color --resolution 75 > /dev/null
}

function scanone () {
  scanimage --device umax:/dev/sgc --mode color --resolution 100 > $1-$2-$3.ppm
  dd if=/dev/zero bs=512 count=64 >> $1-$2-$3.ppm 2>/dev/null
}

echo "Scanning album cover '$1'"
rm -rf tmp
echo -n "Front cover, left strip"
read
warmup
scanone $1 a 1
echo -n "Front cover, right strip"
read
scanone $1 a 2
echo -n "Rear cover, left strip"
read
scanone $1 b 1
echo -n "Rear cover, right strip"
read
scanone $1 b 2
echo ""
grunch $1-a
grunch $1-b
rm -rf tmp


