grep, but only certain file extensions

Question

I am working on writing some scripts to grep certain directories, but these directories contain all sorts of file types.

I want to grep just .h and .cpp for now, but maybe a few others in the future.

So far I have:

{ grep -r -i CP_Image ~/path1/;

grep -r -i CP_Image ~/path2/;

grep -r -i CP_Image ~/path3/;

grep -r -i CP_Image ~/path4/;

grep -r -i CP_Image ~/path5/;} 

| mailx -s GREP [e-mail]

Can anyone show me how I would now add just the specific file extensions?

Answer 1

How about:

find . -name '*.h' -o -name '*.cpp' -exec grep "CP_Image" {} \; -print

Answer 2

There is no -r option on HP and Sun servers, this way worked for me on my HP server

find . -name "*.c" | xargs grep -i "my great text"

-i is for case insensitive search of string

Answer 3

Should write "-exec grep " for each "-o -name "

find . -name '*.h' -exec grep -Hn "CP_Image" {} \; -o -name '*.cpp' -exec grep -Hn "CP_Image" {} \;

Or group them by ( )

find . \( -name '*.h' -o -name '*.cpp' \) -exec grep -Hn "CP_Image" {} \;

option '-Hn' show the file name and line.

Answer 4

Just use the --include parameter, like this:

grep -r -i --include \*.h --include \*.cpp CP_Image ~/path[12345] | mailx -s GREP [e-mail]

that should do what you want.

Syntax notes:

• -r - search recursively
• -i - case-insensitive search
• --include=\*.${file_extension} - search files that match the extension(s) or file pattern only

Answer 5

The easiest way is

find . -type  f -name '*.extension' | xargs grep -i string