#!/bin/bash

#########################################################################

# File Name: log.sh

# Author:陈俊杰

# mail: [email protected]

# Created Time: 2021年08月06日 星期五 16时54分55秒

# 此程序的功能是：

#########################################################################

#日志级别 debug-1, info-2, warn-3, error-4, always-5

LOG_LEVEL=3

#日志文件

LOG_FILE=./log.txt

#调试日志

function log_debug(){

content="[DEBUG] $(date '+%Y-%m-%d %H:%M:%S') $@"

[ $LOG_LEVEL -le 1 ] && echo $content >> $LOG_FILE && echo -e "\033[32m" ${content} "\033[0m"

}

#信息日志

function log_info(){

content="[INFO] $(date '+%Y-%m-%d %H:%M:%S') $@"

[ $LOG_LEVEL -le 2 ] && echo $content >> $LOG_FILE && echo -e "\033[32m" ${content} "\033[0m"

}

#警告日志

function log_warn(){

content="[WARN] $(date '+%Y-%m-%d %H:%M:%S') $@"

[ $LOG_LEVEL -le 3 ] && echo $content >> $LOG_FILE && echo -e "\033[33m" ${content} "\033[0m"

}

#错误日志

function log_err(){

content="[ERROR] $(date '+%Y-%m-%d %H:%M:%S') $@"

[ $LOG_LEVEL -le 4 ] && echo $content >> $LOG_FILE && echo -e "\033[31m" ${content} "\033[0m"

}

#一直都会打印的日志

function log_always(){

content="[ALWAYS] $(date '+%Y-%m-%d %H:%M:%S') $@"

[ $LOG_LEVEL -le 5 ] && echo $content >> $LOG_FILE && echo -e "\033[32m" ${content} "\033[0m"

}

# ta.sh 脚本, 内容如下

#!/bin/bash

source ./log.sh

log_debug "this is debug log..."

log_info "this is info log..."

log_warn "this is warn log..."

log_err "this is error log..."

log_always "this is always log.."