shell 进度条实现代码

代码如下:#!/bin/bashCOUNTER=0_R=0_C=`tput cols`_PROCEC=`tput cols`tput cup $_C $_Rprintf “[“while [ $COUNTER -lt 100 ]do COUNTER=`expr $COUNTER + 1` sleep 0.1 printf “=>” _R=`expr $_R + 1` _C=`expr $_C + 1` tput cup $_PROCEC 101 printf “]%d%%” $COUNTER tput cup $_C $_Rdoneprintf