Rails - Jan 2009 - attachment_fu - convert an image to 8-bit text

hi all

I''m using attachment_fu to handle a bunch of uploaded images (jpgs).  I
have a controller where i want to send two images in the response,
converted to 8 bit text, all in one string, like

render :text => "LOGO1=<bunch of text>,LOGO2=<another bunch of
text>"

Can i do this conversion in a simple way with attachment_fu?  Or by some
other method?

thanks
max
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