對于產生大量日志的服務器，要對日志進行控制，如果任由日志膨脹可能會寫滿磁盤造成服務器宕機。

要提的是代碼中幾個值得注意的地方：

命令	說明
date_now=`date +"%Y-%m-%d"`	通過``符號將命令執行結果賦給變量
if ! [ -e ${clean_log_path} ]	中括號里外與其他內容都要有空格
delete_log_file(){	函數定義{符號一定要緊接不能寫到下一行
${delete_log_prefix}${date_yes}	字符串連接直接寫不用任何連接符
${array_path[*]}	直接寫$array_path[*]會識別為$array_path不能成功遍歷數組；凡變量鼓勵都用定界符{}
delete_log_file	函數的定義要在使用之前，不然會提示找不到函數

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?另外要注意Windows編緝的shell腳本會因回車換行問題致使執行時一直報錯，參看“Windows與Linux的回車換行轉換”

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#code by ls in 20170427 date_now=`date +"%Y-%m-%d"` date_yes=`date -d "1 day ago" +"%Y-%m-%d"` #the drectory of this script,need to change for yourself clean_log_path="/iom_jk/IOM_INF/tomcat_6.0.44_1/clean_log/" if ! [ -e ${clean_log_path} ] thenmkdir -p $clean_log_path fi clean_log_file="${clean_log_path}clean_log.log" #the logfile of this script,need to change for yourself delete_log_prefix="log.log." #the prefix of delete file,need to change for yourself zero_log_postfix=".log" #the postfix of zero file,neet to change for yourself #those drectory that need to clean,neet to change for yourself array_path[0]="/iom_jk/IOM_INF/tomcat_6.0.44_1/webapps/IomInterface/WEB-INF/sh/logs" array_path[1]="/iom_jk/IOM_INF/tomcat_6.0.44_1/bin/logs" array_path[2]="/iom_jk/app/interface/IomInterface/WEB-INF/sh/logs"delete_log_file(){ #the function to delete yesterday log file,do not need to change in generalif [ -e ${delete_log_prefix}${date_yes} ]thenrm -f ${delete_log_prefix}${date_yes} && echo "${data_now} : ${delete_log_prefix}${date_yes} have been delete" >> ${clean_log_file}fi }zero_log_file(){ #the function to zero log file,do not need to change in generalfor file_name in `ls *${zero_log_postfix}`doecho "" > ${file_name} && echo "${data_now} : ${file_name} have been clean" >> ${clean_log_file}done }for path_log in ${array_path[*]} docd $path_logecho "$date_now : enter ${path_log}" >> ${clean_log_file}delete_log_file #the function to delete yesterday log file,need to change for yourselfzero_log_file #the function to zero log file,need to change for yourselfecho "" >> ${clean_log_file} done

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轉載于:https://www.cnblogs.com/lsdb/p/6775078.html

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