It looks like a good place to start would be Lingua::Identify, which 'knows' 26 languages so far. I imagine that the IPTC headers should be short enough that you could check them whole, as I expect a larger sample would give more confidence, but some experimenting may be in order on that point.

--
I'd like to be able to assign to an luser

In reply to Re: string? Or binary garbage? by Albannach
in thread string? Or binary garbage? by argv

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