Ruby gem to download file

 · Plain old Ruby. The most popular way to download a file without any dependencies is to use the standard library open-uri. Kernel#open is a method that you can use to open files, streams, or processes to read to or write from. For example, you can open Estimated Reading Time: 4 mins. A file named lib/awesome_gem/bltadwin.ru would be required as require "awesome_gem/parser" from anywhere inside the gem. You will have most of your requires in .  · The great thing about Ruby Gems is that they’re modular and they can be added to your application without making any changes. In this blog post, I’ve shown you how to download and install Ruby Gems into Gemfile, create a bltadwin.ru file and how to use those gems.

The gem command allows you to interact with RubyGems. Ruby and newer ships with RubyGems built-in but you may need to upgrade for bug fixes or new features. To upgrade RubyGems or install it for the first time (if you need to use Ruby ) visit the download page. If you want to see how to require files from a gem, skip ahead to What is a gem. With Ruby installed, you can install all of Rails and its dependencies through RubyGems on the command line: gem install rails. New versions of Rails can be installed the same way. Ruby file uploads, take 3. DragonFly. L4 Ruby A Ruby gem for on-the-fly processing - suitable for image uploading in Rails, Sinatra and much more! attache. L5 Ruby Yet another approach to file upload. Clamby. Ruby ClamAV interface to your Ruby on Rails project.

When I download something using gem I'd like to be able to just download the gem, and then choose whether or not I want to install it. I'm asking this because I'd like to install a particular gem on more than one computers (without installing from the internet on each one). The easiest, and the most dangerous. OpenURI patches Kernel#open, and if any user input ever gets close to the string you're about to open, the door is open for both reading any file on the system and remote code execution. Just some more clarification in case you need to build / install your own gem file in this example foo-bar. gem build bltadwin.ruc gem install --local foo-bargem I was researching how to do this and this post was first result:).