On 27/01/2010 12:49, David Bovill wrote:
Thanks for the link Malte - seems possible but quite a bit of work. Works
now on OSX, so I'll come back to it later for the cross platform stuff,.
2010/1/27 Malte Pfaff-Brill<revolut...@derbrill.de>
Taking a quick glimpse at Wikipedia suggests this should be pretty
straightforward:
http://en.wikipedia.org/wiki/Magic_number_%28programming%29#Magic_numbers_in_files
Well, not perhaps as straightforward as one might expect as things seem
to 'screw up' for
JPEGs and one needs a vast list of Magic Numbers for all the myriad
image formats
around.
Notwithstanding all that here is a fairly silly proof-of-concept stack I
just popped together:
http://andregarzia.on-rev.com/richmond/STUFF/FILECHEX.rev.zip
not rocket science, but is does seem to show a way forward.
ALL the code is in the button.
sincerely, Richmond.
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