1.点号进度显示code 1

#!/bin/sh
#输出"."进度条函数，兼容bsh、ksh、bash
#首先trap 1 2 3 15信号，重要
trap 'kill $BG_PID;echo;exit' 1 2 3 15
function dots
      {
      stty -echo >/dev/null 2>&1
      while true
      do
      echo -e "./c"
      sleep 1
      done
      stty echo
      echo
      }

      #---------------------------------------------
      # 主程序开始
      #---------------------------------------------
      #首先使dots函数后台运行
      dots &
      BG_PID=$!

      #开始程序主体，本例中执行休眠10秒
      #注意必要时--8

2.井号进度显示code 2

#!/bin/sh
abort() {
   printf  "/033[m/n"
   exit
}
#donothing,justsimulatetimeconsume.
idle() {
   i=1
   sum=`date +%S`
   sum=`expr $sum /* $sum | cut -b1`
   sum=`expr $sum /* 10`
   while [ $i -le $sum ]
   do
       i=`expr $i + 2`
       trap abort 2
   done
}
proc() {
   begin=$1
   end=$2
   row=$3
   pos1=`expr $begin + 1`
   pos2=`expr $end - 1`
   mid=`echo "($begin+$end)/2-2" |bc`

   printf "/033[2J"
   printf "/033[${row};${begin}H["
   printf "/033[${row};${end}H]"
   echo ##########################$pos1 -le $pos2
   while [ $pos1 -le $pos2 ]
   do
       pro=`echo "scale=0; ($pos1- $begin)*100/($pos2-$begin)" |bc`
       if [ $pos1 -gt $mid ]
       then
           printf "/033[7m/033[${row};${mid}H$pro%%/033[${row};${pos1}H:"
       else
           printf "/033[m/033[${row};${mid}H$pro%%/033[7m/033[${row};${pos1}H:"
       fi
       pos1=`expr $pos1 + 1`
       idle
       trap abort 2
   echo ######################$pos1 -le $pos2
   done
 
   printf "/033[m/n"
   echo "done"
}

printf "###proc1 100 10 ###hit  ENTER  to  continue "
if read a;then
   proc  1 100 10
fi