[Rails] Re: How do you download a file from the web and save it locally?

Jason Hsu, Android developer wrote in post #1097902:
> I'm trying to learn Ruby. A task I'm trying to do is download a file
> from
> the web and save it locally.
>
> I'm looking at http://ruby.bastardsbook.com/chapters/io/ and trying to
> implement the solution in the "Exercise: Copy Wikipedia's front page to
> a
> file using block notation" section, but it's not working for me. The
> error
> message I get is:
>
>
/home/jhsu/.rvm/rubies/ruby-1.9.3-p385/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in
> `require': cannot load such file -- rest-client (LoadError)
> from
>
/home/jhsu/.rvm/rubies/ruby-1.9.3-p385/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in
> `require'
> from test.rb:4:in `<main>'
>
>
> What am I missing? Would another approach be better?

Did you install the rest-client gem?

gem install rest-client

You you don't have the gem installed Ruby can't very well load it.
Usually when you see that custom_require it assumes the name you gave in
require statement is custom since it wasn't found in the list of gems.

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