#!/bin/bash

CWD=`pwd`
SRCFOLDER="freedroid_optiforce"
LOGFILE="${CWD}/FD_opti.log"

cd ${SRCFOLDER}
if [[ -e "${LOGFILE}" ]]
then
	rm "${LOGFILE}"
fi

ALL_TIME_START=`date "+%s"`
for image in *.png
do
	TIME_START=`date "+%s"`
	optipng -o7 -clobber -fix -force "${image}" >>"${LOGFILE}" 2>&1
	TIME_STOP=`date "+%s"`
	TIME_DIFF=$(($TIME_STOP-$TIME_START))
	date -u -d @"$TIME_DIFF" +'%-Mm %-Ss%n' >>"${LOGFILE}"
done
ALL_TIME_STOP=`date "+%s"`
ALL_TIME_DIFF=$(($ALL_TIME_STOP-$ALL_TIME_START))
date -u -d @"$ALL_TIME_DIFF" +'%-Mm %-Ss%n' >>"${LOGFILE}"
cd ${CWD}
exit 0