Questions
I am just really new to using Linux, so this may sound really silly to you guys. So I request you to be patient with this beginner.
In Windows, I would have done a search for finding a word inside a folder. Similarly, I want to know if a specific word occurs inside a directory containing many sub-directories and files. My searches for grep syntax shows I must specify the filename, i.e. grep string filename.
Now, I do not know the filename, so what do I do?
A friend suggested to do grep -nr string, but I don t know what this means and I got no results with it (there is no response until I issue a ctrl + c).
Answers
grep -nr yourString* .
The dot at the end searches the current directory. Meaning for each parameter:
-n Show relative line number in the file
yourString* String for search, followed by a wildcard character
-r Recursively search subdirectories listed
. Directory for search (current directory)
grep -nr MobileAppSer* . (Would find MobileAppServlet.java or MobileAppServlet.class or MobileAppServlet.txt; MobileAppASer*.* is another way to do the same thing.)
To check more parameters use man grep command.
Source
License : cc by-sa 3.0
http://stackoverflow.com/questions/4121803/how-can-i-use-grep-to-find-a-word-inside-a-folder
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