How do you download a file from the web and save it locally?

Rails
1

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 File input/output | The Bastards Book of Ruby 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 `’

What am I missing? Would another approach be better?

2

Jason H., 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 File input/output | The Bastards Book of Ruby 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 ’

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.

3

On Tue, Feb 19, 2013 at 11:20 PM, Jason H., Android developer
[email protected] wrote:

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 ’

What am I missing? Would another approach be better?

Did you do this chapter first?

4

save_path=“/your/local/path/filename”
File.open(save_path, ‘wb’) do |file|
file << open(‘download_file_url’).read
end

On Thu, Feb 21, 2013 at 2:19 AM, tamouse mailing lists <
[email protected]> wrote:

message I get is:

email to [email protected].
To post to this group, send email to [email protected].
For more options, visit https://groups.google.com/groups/opt_out.

–
Regards by
Saravanan.P