$ cat color.sh
#!/bin/bash
COLOR_RED=$( echo -e "\e[31;49m" )
COLOR_GREEN=$( echo -e "\e[32;49m" )
COLOR_RESET=$( echo -e "\e[0m" )
rep_info() { echo;echo -e "${COLOR_GREEN}$*${COLOR_RESET}";echo; }
rep_error(){ echo;echo -e "${COLOR_RED}$*${COLOR_RESET}";echo;exit 1; }
rep_info "add to deny_list success."
rep_error "add to deny_list success."
$ sh color.sh
add to deny_list success.
add to deny_list success.原文：http://hsuing.blog.51cto.com/6306542/1893369