Re: gm convert file.png -verbose info: does not work

Bob Friesenhahn <[email protected]> Thu, 15 Jan 2009 21:58:26 -0600 (CST)

Newsgroups	gmane.comp.video.graphicsmagick.core
Message-ID	<[email protected]>

On Fri, 16 Jan 2009, Nguyen Vu Hung wrote:

>> There seems to be no record in ImageMagick's Changelog about> when 
>> the "INFO:" format was added, and I don't remember.  You> can 
>> probably get the same effect by using>> gm identify -verbose 
>> file.png > file.infoThis command doesn't give me the histogram for 
>> file.png.Is there any way to do this with GM?

   gm convert file.png histogram:histo.miff
   gm identify -format '%c' histo.miff

or

   gm convert file.png histogram:- | gm identify -format '%c' -

You will need 1.3.3 or later for this or else the histogram text will 
be truncated.

Bob
======================================
Bob Friesenhahn
[email protected], http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/


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