新手请教如何逐行读取

alonersir

比如文本内容如下：
aaa
aaa
bbb
ffff
要让$str依次等于各行，然后做判断，该怎么做呢？

刚开始学shell,请朋友们不吝赐教。

Zer4tul

read……

寂寞烈火

1. 
   
2. while read line;do
   
3.         ...
   
4. done>urfile

复制代码

alonersir

Post by 寂寞烈火

1. 
   
2. while read line;do
   
3.         ...
   
4. done>urfile

复制代码

谢谢烈火了。

饭饭

[php]
debian:~$ cat a
aaa
bbb
ccc
debian:~$ cat b
#!/bin/bash
for name in $(cat a) ;do
echo str=$name
done

[/php]

shizi4838

more data
aaa
aaa
bbb
ffff

1. 
   
2. #!/bin/awk -f
   
3. #filename   1.sh
   
4. BEGIN{while(getline str < "data")   print str}
   

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$./1.sh
aaa
aaa
bbb
ffff

yongjian

Post by 寂寞烈火

1. 
   
2. while read line;do
   
3.         ...
   
4. done>urfile

复制代码

should be "<" not ">".

kiron

来一个管道的
cat file_name | while read line; do echo $line; done

寂寞烈火

Post by yongjian
should be "<" not ">".

吼侯,写反了 ^_^

johnny_jiang

寂寞烈火在CU上也有你吧,