如何循环读取变量的每一行

winway1988

1. #! /bin/bash
   
2. 
   
3. var=$(cat urfile)
   
4. 
   
5. echo "Process Substitution"
   
6. while read line
   
7. do
   
8.         echo "$line"
   
9. done < <(echo "$var")
   
10. 
    
11. echo "Pipe"
    
12. echo "$var" | while read line
    
13. do
    
14.         echo "$line"
    
15. done
    
16. 
    
17. echo "Here Document"
    
18. while read line
    
19. do
    
20.         echo "$line"
    
21. done <<!
    
22. $var
    
23. !
    
24. 
    
25. echo "Here String"
    
26. while read line
    
27. do
    
28.         echo "$line"
    
29. done <<< "$var"
    
30. 
    
31. exit

复制代码

icetown

回复 11# winway1988


    楼上的兄弟给了4种解决方案，多谢。