linux find utilty

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  1. #1
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    linux find utilty

    to find a content in a directory ... whichever file contains it .. needs to display ..
    similar like windows utility..

    find . -name 'hi'

    it will search the filename hi in current directory...
    is there any find utility by which i can find search pattern in n number of file and it contains it will be displayed.

    Your help will be highly appreciated!
    Thanks
    Vaibhav

  2. #2
    C++ Witch laserlight's Avatar
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    Moved to Tech Board.

    You might want to research find and grep, or maybe you are just looking to use ls with suitable arguments.
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  3. #3
    Captain Crash brewbuck's Avatar
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    To search a single file for an instance of a string "foo":

    Code:
    grep foo <filename>
    To recursively search all files under a particular directory for a string "foo", and display the names of files which contain that string:

    Code:
    grep -Hrl foo <dir>
    Code:
    //try
    //{
    	if (a) do { f( b); } while(1);
    	else   do { f(!b); } while(1);
    //}

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    spurious conceit MK27's Avatar
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    Cool

    Quote Originally Posted by vaibhavs17 View Post
    it will search the filename hi in current directory...
    is there any find utility by which i can find search pattern in n number of file and it contains it will be displayed.

    Your help will be highly appreciated!
    Thanks
    Vaibhav
    I wrote a really nice GUI app to do (in part) exactly that -- recursive grep searches which then present all the files, with finds highlighted AND indexed!! It's great for, eg, library includes.

    TkCodex

    Unfortunately, I wrote it mostly for myself, so the configuration is sort of limited and a couple of people have been unable to figure out how it works without emailing me, although there's documentation at the site (qv "Simple Command Lookup"). Anyway, have a look, if you have a problem I'll be only too happy to explain anything. It's perl/Tk and needs no compiling.

    An example: if you want to search all of "/usr/include" and its subdirectories for a term:

    TkCodex /usr/include c,h "some_struct_def"


    And you get a nice little GUI ranking the results, which you can then use to view the files with the finds highlighted and a clickable sidebar index of all the corresponding line numbers. I use it everyday.
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  5. #5
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    Quote Originally Posted by brewbuck View Post
    To search a single file for an instance of a string "foo":

    Code:
    grep foo <filename>
    To recursively search all files under a particular directory for a string "foo", and display the names of files which contain that string:

    Code:
    grep -Hrl foo <dir>
    this command is really amazing. can you tell me what does -H options with grep.
    I could understand the usage of r and l option ... r used for recursive search and l used for display list of file which contains patter foo

  6. #6
    Dr Dipshi++ mike_g's Avatar
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    Type:
    Code:
    man grep
    and you will find
    -H, --with-filename
    Print the file name for each match. This is the default when
    there is more than one file to search.

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