grep for multiple strings in file on different lines (ie. whole file, not line based search)?

bash awk grep
Christian picture Christian · Jan 25, 2011 · Viewed 105k times · Source

I want to grep for files containing the words Dansk, Svenska or Norsk on any line, with a usable returncode (as I really only like to have the info that the strings are contained, my one-liner goes a little further then this).

I have many files with lines in them like this:

Disc Title: unknown
Title: 01, Length: 01:33:37.000 Chapters: 33, Cells: 31, Audio streams: 04, Subpictures: 20
        Subtitle: 01, Language: ar - Arabic, Content: Undefined, Stream id: 0x20, 
        Subtitle: 02, Language: bg - Bulgarian, Content: Undefined, Stream id: 0x21, 
        Subtitle: 03, Language: cs - Czech, Content: Undefined, Stream id: 0x22, 
        Subtitle: 04, Language: da - Dansk, Content: Undefined, Stream id: 0x23, 
        Subtitle: 05, Language: de - Deutsch, Content: Undefined, Stream id: 0x24, 
(...)

Here is the pseudocode of what I want:

for all files in directory;
 if file contains "Dansk" AND "Norsk" AND "Svenska" then
 then echo the filename
end

What is the best way to do this? Can it be done on one line?

Answer

vmpstr picture vmpstr · Jan 25, 2011

You can use: 

grep -l Dansk * | xargs grep -l Norsk | xargs grep -l Svenska

If you want also to find in hidden files:

grep -l Dansk .* | xargs grep -l Norsk | xargs grep -l Svenska

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