#!/bin/sh

if [ -z "$1" ]; then
	echo "Move files into a directory per day, based on file modification time"
	echo "usage: $0 file1 file2 ..."
	exit 0
fi

while [ ! -z "$1" ]; do
	file="$1"

	file_date=`date -r "${file}" +"%Y-%m-%d"`
	
	if [ ! -d "${file_date}" ]; then
		mkdir "${file_date}"
	fi

	echo "Moving ${file} to ${file_date}/"

	mv "${file}" "${file_date}/"

	shift
done