#!/bin/bash

first=$1
last=$2

if [ $# -gt 2 ]; then
    $0 first_photo last_photo
elif [ $# -lt 2 ]; then
    last=`gphoto -n 2>/dev/null`
    if [ 0$last -eq 0 ]; then
	echo "Can't find last picture"
	exit
    fi
    echo "Last photo is $last"
fi
if [ $# -eq 0 ]; then
	first=1
fi

i=$first
while [ $i -le $last ]
do
    echo $i
    j=$i
    if [ $j -lt 10 ]; then
	j="00$j"
    elif [ $j -lt 100 ]; then
	j="0$j"
    fi
    gphoto -s $i pict-$j.jpg
    i=`expr $i + 1`
done