shell实现进度条

#!/bin/bash

COUNTER=0

_R=0 _C=tput cols _PROCEC=tput cols

tput cup $_C $_R printf "[" 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 $_R done printf "\n" 转载于：http://blog.chinaunix.net/uid-11344913-id-26744.html