From: Tim Hunter <rmagick@...>
Date: 2007-09-05T02:30:48+09:00
Subject: Re: RMagick: UnableToConcatenateString `

Jonathan Denni wrote:
> Tim Hunter wrote:
> 
>> 
>> Try adding a periodic call to GC.start to your program. See this note:
>> http://rubyforge.org/forum/forum.php?thread_id=1374&forum_id=1618
> 
> Thanks!  It works perfectly now

Good news!

Looking forward, starting with RMagick 2.0.0 you can free the memory 
used by individual image objects with the Magick::Image#destroy! method, 
thus eliminating the need to call GC.start from time to time.
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