#!/bin/bash
read -p '請輸入:'
echo $REPLY >.tmp5
count=`grep -o ',' .tmp5 |wc -l`
echo $count
count_=$((count+1))
i=1
:>.tmp1
while [ $i -le $count_ ]
do
   echo $i
   awk -F, -v j="$i"  '{print$j}'  .tmp5
   i=$((i+1))
done