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Asked: 2026-05-26T06:22:31+00:00

I’m having the common is not recognized by the ‘identify’ command. error using paperclip

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I’m having the common ” is not recognized by the ‘identify’ command.” error using paperclip and rails 3.1 on my windows dev machine. This is a win7/64 system with ImageMagick-6.7.3-0-Q16-windows-x64-dll.exe installed at c:\ImageMagick.

I’ve tried all of the solutions listed under at https://stackoverflow.com/search?q=%5Bpaperclip%5D+identify and it keeps giving me the same answers.

Paperclip.options[:command_path] = "C:/ImageM~1" is in my config/enviroments/development.rb

and

Paperclip::Attachment.default_options[:command_path] = "C:/ImageM~1" is the contents of my config/initializers/paperclip.rb

I can use identify at the command prompt…and that is working fine. It seems like no matter what i do, it keeps throwing the same error.

link.rb
has_attached_file :artwork,
:styles => {
:thumb=> "100x100#",
:small => "150x150#" }

_form.html.erb
<%= f.file_field :artwork %>

please help. i am out of options. anything else i should try or anywhere to get more information as to where this is failing?

UPDATE
i’ve removed the ‘:style => …..’ attributes in the model and it now works. i guess it’s just straight imagemagick messing up. i don’t get it. i can type ‘identify’ in the console, it works fine, then i run ‘rails s’ in the same console. there were references to a quotes related issue, but according to the paperclip docs on github, that was sorted when Cocaine was implemented.

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1 Answer

  1. Editorial Team

    Installing RMagick and Imagemagick following these articles fixed it!

    This is the article that actually solved the problem:
    http://rails.webintellix.com/2010/01/04/how-to-install-rmagick-imagemagick-on-windows/
    Basically, installing the RMagick win32 binary sorted the ‘identify’ issue…

    This one got close and has some good info, but didn’t actually fix it for me.
    http://www.waydotnet.com/blog/2010/02/rmagick-on-ruby-1-9-1-i386-mingw32-work-d/

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