Tools to find "unlegal" files ( videos , music etc )

Frank Bonnet f.bonnet at
Mon Jul 18 08:56:00 UTC 2011

On 07/18/2011 10:45 AM, Polytropon wrote:
> On Mon, 18 Jul 2011 10:38:22 +0200, Frank Bonnet wrote:
>> On 07/18/2011 10:10 AM, Polytropon wrote:
>>> On Mon, 18 Jul 2011 09:55:09 +0200, Frank Bonnet wrote:
>>>> Hello
>>>> Anyone knows an utility that I could pipe to the "find" command
>>>> in order to detect video, music, games ... etc  files ?
>>>> I need a tool that could "inspect" inside files because many users
>>>> rename those filename to "inoffensive" ones :-)
>>> One way could be to define a list of file extensions that
>>> commonly matches the content you want to track. Of course,
>>> the file name does not directly correspond to the content,
>>> but it often gives a good hint to search for *.wmv, *.flv,
>>> *.avi, *.mp(e)g, *.mp3, *.wma, *.exe - and of course all
>>> the variations of the extensions with uppercase letters.
>>> Also consider *.rar and maybe *.zip for compressed content.
>>> If file extensions have been manipulated (rare case), the
>>> "file" command can still identify the correct file type.
>> yes thanks , gonna try with the file command
> You could make a simple script that lists "file" output for
> all files (just to be sure because of possible suffix renaming)
> for further inspection. Sometimes, you can also run "strings"
> for a given file - maybe that can be used to identify typical
> suspicious string patters for a "strings + grep" combination
> so less manual identification has to be done.

yes , my main problem is the huge number of files
but anyway I'm gonna first check files greater than 500 Mb
it could be a good start

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