定义Bash提示符中显示IP

#=================================定义Bash提示符中显示IP==============================
if [[ `tty | grep "pts"` ]];
then
export PS1='['"\u@\033[31m`env| grep SSH_CONNECTION | awk '{print $(NF-1)}'`\033[0m"' \w]\$'
else
export PS1='[\u@\h \w]\$'

fi