#!/bin/sh

LOGSDIR=`echo "$1" | sed -E 's#/+$##'`

if [ -z "$1" -o \! -d $1 ]; then
	echo "ERROR: invalid logs directory '$1'"
	exit 1
fi

STARTED=`date +%s`
TODAY=`date -jr $STARTED +%Y/%m/%d`
COUNT=0

echo -e "\nStarted at "`date -jr $STARTED`

for LOG in `cd $LOGSDIR && find -E ./ -type f									\
	-regex '^\./[[:digit:]]{4}/[[:digit:]]{2}/[[:digit:]]{2}/[^/]+$' |			\
	egrep -v '\.gz$' | egrep -v "^\./$TODAY/" | sed -E 's#^\./##' | sort`; do
	echo "Compressing: $LOGSDIR/$LOG"
	gzip $LOGSDIR/$LOG
	echo "    Done"
	COUNT=$(($COUNT + 1))
done

find -L $LOGSDIR -type l -exec rm {} \;

FINISHED=`date +%s`
echo -e "Finished at "`date -jr $FINISHED`", compressed $COUNT logs, elapsed "$(($FINISHED - $STARTED))" seconds"