#!/bin/bash

if [[ $1 == "" || $2 == "" ]]; then
    echo "Usage: $0 [input-directory] [output-directory]"
    exit -1;
fi

if [ ! -d $1 ]; then
    echo "$1 is not directory or not exists."
    exit -1;
fi

if [ -d $2 ]; then
    echo "$2 already exists, remove it first."
    exit -1;
fi

mkdir $2

for file in $1/*.{jpg,png,jpeg}; do
    fullname=$(basename $file)
    name=${fullname%.*}

    if [[ $name == "*" ]]; then
        continue
    fi

    prepare-image $1/$fullname $2/$fullname
done