Ruby 1.9.2 how to install RMagick on Windows?

I just installed RMagick 2.13.1 successfully on Windows with Ruby v1.9.x !

Let me spill out the procedure, before I forget.

  1. Install DevKit : .
  2. Install ImageMagick 6.6.x with windows installer with headers.
    -Do not install ImageMagick in a path which has spaces in it.
    The default path C:/Program Files/… will not work.
    Install it at a simpler path.
    — Remove any older installations of ImageMagick and RMagick
  3. Set the paths in Environment Variables:

    set DFImageMagick environment variable to where ImageMagick is installed
    set PATH=%DFImageMagick%;%PATH% (if you don’t already have it in PATH)
    set CPATH=%DFImageMagick%\include;%CPATH%
    set LIBRARY_PATH=%DFImageMagick%\lib;%LIBRARY_PATH%

  4. Install RMagick gem :
    gem install rmagick
    This should say,
    Temporarily enhancing PATH to include DevKit…
    Building native extensions. This could take a while…
    After some time, Successfully installed rmagick 2.13.1

  5. Verify installation:

    A. convert -version
    this should give the ImageMagick installation version
    B. gem list –local should list rmagick 2.13.1
    Alternative: in irb, try
    require ‘rmagick’
    it should return ‘true’

Oh, I do like installations which complete in 5 steps.

Hope this works for you and others.

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