Linux下Tomcat日志分割

thedate=`date +%Y-%m-%d_%H:00`
predate=`date +%Y-%m-%d_%H:00 --date="-3 day"`

rmfile="/www/server/tomcat/logs/catalina-daemon.${predate}.out"
outfile="/www/server/tomcat/logs/catalina-daemon.out"
if [ -f ${rmfile} ];then
   rm -f ${rmfile}
   echo "删除文件：[$rmfile] Successful"
fi

if [ -f ${outfile} ];then
   cp ${outfile} /www/server/tomcat/logs/catalina-daemon.${thedate}.out
   echo "分割文件：[$outfile] Successful"
   echo "" > ${outfile}
   echo "清空文件：[$outfile] Successful"
fi