see viewtopic.php?f=1&t=14098
I can verify IM 6.5.4.0 Q16 Mac OSX Tiger
convert rose: rose.png
identify -format "%[colorspace]" rose.png
nothing returned
convert rose.png -format "%[colorspace]" info:
nothing returned
(My two recent scripts, bcmatch and histmatch, also both use the string format "%[colorspace]" to extract that information)
potential bug -format colorspace does not work 6.5.4.0
Re: potential bug -format colorspace does not work 6.5.4.0
We have a patch for the problem you reported. Look for it sometime tomorrow in ImageMagick 6.5.4-1 Beta.