carrierwave

https://github.com/carrierwaveuploader/carrierwave

Ruby

Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks

CarrierWave::Uploader::Download#download!

Caches the file by downloading it from the given URL.

=== Parameters

[url (String)] The URL where the remote file is stored

Source | Google | Stack overflow

Edit

git clone [email protected]:carrierwaveuploader/carrierwave.git
cd carrierwave
open lib/carrierwave/uploader/download.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-CarrierWave--Uploader--Download-download--for-pr

# Commit to git
git add lib/carrierwave/uploader/download.rbgit commit -m "better docs for CarrierWave::Uploader::Download#download!"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-CarrierWave--Uploader--Download-download--for-pr
hub pull-request

# Celebrate!