#!/usr/bin/env bash

if type md5 > /dev/null 2>&1
then
	md5sum=md5
else
	md5sum=md5sum
fi
export md5sum

if [ `$md5sum *.length | awk ' { print $1 }' | \
	sort | \
	uniq | \
	wc -l` != 1 ]
then
	echo One or more length files bad
	exit 1
fi

if [ $(cat $(ls *.length | head -1) | awk 'BEGIN { total=0 } { total += $1 } END { print total }') != $(expr $(cat size) \* 1048576) ]
then
	echo Total length bad
	exit 1
fi