nginx rotate log, remove archive logs older than 2 weeks

rotate.sh

#!/bin/bash
ARVDATE=`date +%Y%m%d%H%M`
PID=/usr/local/nginx/nginx.pid

cd /usr/local/nginx/logs

for log in sdf.access.log error.log
do
    file=lastweek/arv$log$ARVDATE.log

    mv $log $file
    kill -USR1 `cat $PID 2>/dev/null` 2>/dev/null

    gzip $file

    # remove files older than 14days
    find /usr/local/nginx/logs/lastweek/ -type f -mtime +14 -exec rm '{}' \;
done