shell 按行读取文件

#!/bin/bash

count=    //赋值语句，不加空格

cat test | while read line        //cat 命令的输出作为read命令的输入,read读到的值放在line中

do

   echo "Line $count:$line"

   count=$[ $count +  ]          //注意中括号中的空格。

done

echo "finish"

exit 

输出

Line :import json
Line :with open('tmp.json', 'r') as f:
Line :print("eee")
Line :k=json.load(f)
Line :print("ddd")
Line :print(k)
finish