#!/bin/bash


SRC=$1
DEST=$2

 
if [ -z ${SRC} ] || [ -z ${DEST} ] ; then
  echo "Usage : change_resolution directory_source directory_destination"
  exit
fi


if [ ! -d ${DEST} ] ; then 
  mkdir ${DEST}
fi




function parse_directory () {
    local dir=${1}
    
    for entry in ${dir}/* ; do
	if [ -f ${entry} ] ; then
	    file ${entry} ${dir}
	fi
    done
    
    for entry in ${dir}/* ; do
	if [ -d ${entry} ] ; then
	    directory ${entry}
	    parse_directory ${entry}
	fi
    done
}



function directory () {
    local dir=${1##${SRC}}

    if [ ! -d ${DEST}/${dir} ] ; then
       mkdir ${DEST}/${dir}
    fi
}



function file () {
    local filename=${1##*/}
    local dir=${2##${SRC}}

    sed -e "s/320/352/g;s/232/288/g" ${SRC}/${dir}/${filename} > ${DEST}/${dir}/${filename}
}




echo "Directory Source : " ${SRC}
echo "Directory Destination : " ${DEST}

parse_directory ${SRC}