#!/bin/sh

BACKUP_FILE=$1
DATE=$(date +%Y%m%d%H%M%S)

if [ -z ${BACKUP_FILE} ]
then
    echo "Invalid : Please specify file to backup."
    echo "Ex. backupfile /tmp/test.sh"
    exit 1;
fi

cp -p ${BACKUP_FILE} ${BACKUP_FILE}.${DATE}
echo "${BACKUP_FILE} has been backed up to ${BACKUP_FILE}.${DATE}"