[magick-users] how can I identify CMYK

[Carl Karsten]

duc.sequere.aut.de.via.decede at imagemagick.org wrote:
>> How can I tell if an image is CMYK ?
> 
>   identify  -format "%r" image.png
> 
> However, all PNG images are sRGB.  PNG does not support CMYK.
> 

Thanks.

Carl K