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