Search string in linux directory 2016-07-28 22:15
grep command can help you search specific string in file. Learn basic use of it click here. grep is very powerful. It can help us to search specific string in a Linux directory. For example, we have two files in tmp directory.
[root@localhost tmp]# cat txt1
This is text 1
[root@localhost tmp]# cat txt2
This is text 2
We use grep to search "text" in /tmp directory.
[root@localhost tmp]# grep text ./ -rn
./txt2:1:This is text 2
./txt1:1:This is text 1
-r means read all files under each directory, recursively.
-n means show the match line number.