如何在每一行的第一行加一个单词？

Question

File1：

Data will be inserted on Thursday  
Messages has been sent at 6pm  
Office hours is from 9am to 6pm  
All the employees are present  

输出我想要的：

DMS Data will be inserted on Thursday  
DMS Messages has been sent at 6pm  
DMS Office hours is from 9am to 6pm  
DMS All the employees are present  

-或者-

输出我想要的：

Data will be inserted on Thursday DMS
Messages has been sent at 6pm DMS
Office hours is from 9am to 6pm DMS
All the employees are present DMS

我想在文件的每一行中添加DMS这个词。它可以添加在第一或在线的末尾。

Answer 1

试试这个，它会帮你的。在vi编辑器中打开文件：

$ vi /file/location  

:1,100 s/^/DMS/ --> Enter  

• 1,100正是您想要开始和结束的行。
• s是替换命令，^表示开始的行。

或者您可以不打开文件就可以这样做，使用GNU：

sed -i 's/^/DMS /' /your/file/location