1 thedate=`date +%Y-%m-%d_%H:00` 2 predate=`date +%Y-%m-%d_%H:00 --date="-3 day"` 3  4 rmfile="/www/server/tomcat/logs/catalina-daemon.${predate}.out" 5 outfile="/www/server/tomcat/logs/catalina-daemon.out" 6 if [ -f ${rmfile} ];then 7    rm -f ${rmfile} 8    echo "删除文件：[$rmfile] Successful" 9 fi10 11 if [ -f ${outfile} ];then12    cp ${outfile} /www/server/tomcat/logs/catalina-daemon.${thedate}.out13    echo "分割文件：[$outfile] Successful"14    echo "" > ${outfile}15    echo "清空文件：[$outfile] Successful"16 fi