providing what they require

[Panu Matilainen]

On Wed, 29 Oct 2008, Bill Nottingham wrote:

> Panu Matilainen (pmatilai at laiskiainen.org) said:
>> $ rpm -qa --qf "%{name}-%{version}\n[\t%{CLASSDICT}\n]\n"
>>
>> One of my favorites:
>>         PNG image data, 313 x 225, 8-bit/color RGBA, non-interlaced
>>         PNG image data, 339 x 210, 8-bit/color RGBA, non-interlaced
>>         PNG image data, 349 x 274, 8-bit/color RGBA, non-interlaced
>>         ...
>>
>> Rpm knows not only that it's image data, it even knows the picture
>> dimensions...
>
> Only in the sense that that's the raw output of file(1) - to rely

I guess you missed the sarcastic intent in the "knows" above :)

> on that, you have to hope that that never changes. Which is unlikely.
> (Ergo ... useless.)

Well, yes. That's largely the reason rpm used to bundle it's own copy of 
libmagic (to avoid strings changing) but that has it's own issues.

 	- Panu -