How to search a code throughout the server? (Like a wingrep)

**Website** · 09-12-2012

My entire server is huge so i dont wanna download all the files to search for a code in wingrep/powergrep so i am looking for a solution to do the same in a centos VPS server.

**Roxoff** · 09-13-2012

Could you ssh into the VPS and use regular grep over your web directories? You'd not be searching files over a network then, it'd be done on the VPS itself and you'd see the results in your ssh terminal.

**Website** · 09-13-2012

That sounds so cool. I wish i couldnt do that but i use windows and putty to get connected to ssh. So can you give me more details on how to do it?

***Irithori*** · 09-13-2012

Connect via putty.
Use grep.

Code:

man grep

**Website** · 09-13-2012

Originally Posted by Irithori

Connect via putty.
Use grep.

Code:

man grep

Oh. I didnt know i already had a grep. Thas cool. Thank you very much.

**Website** · 09-13-2012

Could you give me an example of a command to search for like "preg_replace" throughout the entire server and show me the process and the results right away?

There are so many options and i actually got lost in them. Tried few things but couldnt really success.

**Krendoshazin** · 09-13-2012

Code:

grep -Rn preg_replace /

This will search the entire filesystem for preg_replace. / is the directory you're searching, and in this case it's the root of the filesystem. Here's an example of searching everything under the current directory:

Code:

grep -Rn main .
./public_html/uploads/patches/binutils-2.19.1-testsuite.patch:16: main ()
./public_html/uploads/patches/binutils-2.19.1-testsuite.patch:20:   printf ("mainvar == %d\n", mainvar);
./public_html/uploads/patches/binutils-2.19.1-testsuite.patch:24:   printf ("shlib_checkfunptr2 (main_called) == %d\n",
./public_html/uploads/patches/binutils-2.19.1-testsuite.patch:25:         shlib_checkfunptr2 (main_called));
./public_html/uploads/patches/binutils-2.19.1-testsuite.patch:48:-  if (p == main_called)
./public_html/uploads/patches/binutils-2.19.1-testsuite.patch:52:-  printf (" main_called\n");
./public_html/uploads/patches/binutils-2.19.1-testsuite.patch:58:+    if (p == main_called)
./public_html/uploads/patches/binutils-2.19.1-testsuite.patch:62:+    printf (" main_called\n");

As you can see it tells you what file it occurred in and on what line, which means you can go straight to the desired line.

**Website** · 09-13-2012

Perfect. Thx.

***elija*** · 09-13-2012

If you are getting to may results, you can send the output to a file for further analysis by (to nick the prior example)

Code:

grep -Rn preg_replace / > ~/grep.txt

which will put the output in a file called grep.txt in your home directory.

**Website** · 09-13-2012

Originally Posted by elija

If you are getting to may results, you can send the output to a file for further analysis by (to nick the prior example)

Code:

grep -Rn preg_replace / > ~/grep.txt

which will put the output in a file called grep.txt in your home directory.

This is very useful. Thank you.

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