[OS X TeX] How to find coloured pages automatically?

[Guido Mocken]

Hi,

is there an easy way (a LaTeX package?) to find all pages of a rather 
long document that contain color?

I have to print out about six copies of a ~240 pages document.
Of course, I want to keep down the costs for printing, that's why I am 
asking.

Usually, colour only appears inside figure-environments, but not all 
figures are coloured.
The document has to be printed double-sided, so any even page preceeded 
by a coloured page and any odd page followed by a coloured page has to 
count as a coloured one, too.

I would like to generate two separate PDF files from the original one 
(or its Latex source), one containg the coloured pages, and one 
containing the black-and-white pages.

Any ideas, hints, suggestions?

	Guido

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