输出执行操作和打印日志的shell脚本实例_linux shell_

 cat /mnt/log_function.sh #!/bin/bash #log function ####log_correct函数打印正确的输出到日志文件 function log_correct () { DATE=`date “+%Y-%m-%d %H:%M:%S”` ####显示打印日志的时间 USER=$(whoami) ####那个用户在操作 echo “${DATE} ${USER} execute $0 [INFO] $@” >>/var/log/log_info.log ######（$0脚本本身，$@将参数作为整体传输调用） } 

 function log_error () { DATE=`date “+%Y-%m-%d %H:%M:%S”` USER=$(whoami) echo “\${DATE} \${USER} execute \$0 [INFO] \$@” >>/var/log/log_error.log }

 function fn_log () { if [ $? -eq 0 ] then log_correct “$@ sucessed!” echo -e “\033[32m $@ sucessed. \033[0m” else log_error “$@ failed!” echo -e “\033[41;37m $@ failed. \033[0m” exit fi }

 vi log_exec.sh #!/bin/sh if [ -e /mnt/log_function.sh ] then source /mnt/log_function.sh else echo -e “\033[41;37m /mnt/log_function.sh is not exist. \033[0m” exit 1 fi USER=`whoami` if [ $USER == root ] then log_correct “execute by root” else log_error “execute by ${USER}” echo -e “\033[41;37m you must execute this scritp by root. \033[0m” exit 1 fi if [ -e /var/log/message ] then echo 0 > /var/log/message fn_log “echo 0 > /var/log/message” fi