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paperclip

Paperclip is a plugin for Ruby on Rails’ ActiveRecord that lets files work as simply as any other attributes do. There are no extra database tables, only one library to install for image processing, and the ease of being able to refer to your files as easily as you refer to your other attributes.

• Installation
• Usage
• Thumbnail Generation
• Interpolations
• Restricting Access to Objects Stored on Amazon S3
• Helpful Links

Links

• Submit bugs/patches at GitHub Issues
• Ask questions at Google Group (mailing list)
• Project Home Page
• Official RDoc by rdoc.info

Screencasts

• General Introduction
• Cropping with Paperclip
• Rails 3 and Multiple File Uploads with Paperclip
• Rails 2 and Multiple File Uploads with Paperclip

Model Name Restrictions

Paperclip will sometimes take issue with applications that use the following model names:

• “Styles”
• “Attachments”