Find files based on their magic number

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1

Hi all,
I would like to find files by their magic number or header.
I found this link on wikipedia: List of file signatures - Wikipedia
But I don't know if it's possible the match by an HEX value in Dopus.
Any of you got some experience on find files based on contains a specific HEX value?

2

Please link your account.

3

Done

4

In terms of what's built-in, you can match binary/hex data using regular expressions.

For example, \x1F will match the hex byte 1F, and \xAB\xCD woudl match two hex bytes AB CD.

But there are caveats:

  • It'll match them anywhere within the file, not just at the start.

  • You can't search for null characters (\x00 won't work).

If those are a problem, you could use scripting to do things differently. Opus provides scripting objects to look at the binary data inside files.

5

ExifTool reads and interprets these bytes as FileTypeExtension tags. They are probably not wholly congruent with the list you linked, but they could be a good start.

You can give it a try with this add-in:

https://resource.dopus.com/t/exiftool-custom-columns/38975

6

Sorry, How should I apply your suggestion in my case? is it applicable to the find function from the menu?

7

Hi, thanks for the suggestion, can I use in conjunction with Find function?

8

Yes.

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9

Thanks Ixp,
I never tried to use this kind of add-ons and script I will give it a go. it will require some time for me to config it

10

Leo,

meanwhile I 've really don't understand how to use your suggestion, sorry