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mongoid-grid_fs

gem install mongoid-grid_fs

require 'mongoid-grid_fs'
grid_fs = Mongoid::GridFs
g = grid_fs.put(readable)
id = g.id
grid_fs.get(id)
grid_fs.delete(id)

mongoid_grid_fs is a pure mongoid 3 / moped implementation of the mongodb grid_fs specification

ref: http://www.mongodb.org/display/DOCS/GridFS+Specification

it has the following features:

• implementation is on top of mongoid for portability. moped (the driver) is barely used

• simple, REST-like api

• support for custom namespaces (fs.files vs. image.files)

• pathnames and io-like objects can be written to the grid

• auto-unique pathnames are generated (by default) to avoid collisions using #put

  'path/info/a.rb' -> '$object_id/a.rb'

• [] and []= methods which allow the grid to be used like a giant file hash in the sky

• supprt for data_uris

  
    <%= image_tag :src => file.data_uri %>