Thanks. That's really helpful, I'll try it out. On Wed, Feb 18, 2009 at 11:09 AM, Jeff Lewis <jeff.bu...@gmail.com> wrote: > > Hi Frank, > > What you need to do is a bit of http client programming. There are > lots of options, including: > > http://dev.ctor.org/http-access2 > http://rfuzz.rubyforge.org > http://curb.rubyforge.org > ... > > Whatever you use depends on your needs/tastes. > > A simplified (non-error-checked) example of retrieving the current > google stock price and change from yahoo via POST (even tho quote.csv > is GET'able) using ruby's Net:HTTP (http://www.ruby-doc.org/stdlib/ > libdoc/net/http/rdoc/classes/Net/HTTP.html): > > $ irb > irb(main):001:0> require 'net/http' > => true > > irb(main):002:0> require 'uri' > => false > > irb(main):003:0> app_uri = URI.parse('http:// > download.finance.yahoo.com/d/quotes.csv') > => #<URI::HTTP:0xfdbd68e4e URL:http://download.finance.yahoo.com/d/ > quotes.csv> > > irb(main):004:0> params = {'s'=>'GOOG', 'f'=>'l1c1'} > => {"f"=>"l1c1", "s"=>"GOOG"} > > irb(main):005:0> price,change = Net::HTTP.post_form(app_uri, > params).body.chomp.split(',') > => ["351.10", "+8.44"] > > You probably don't want to use Net::HTTP tho, given it's limitations. > Personally, of the various ruby http clients I've used, I have yet to > find one that I end up using more than I do just wrapping wget (http:// > linux.die.net/man/1/wget), when available for use, given all of the > inherent built-in goodies/flexibility provided by wget. Here's a > similar simplified wget example of the above: > > $ irb > irb(main):001:0> require 'cgi' > => true > > irb(main):002:0> app_url = 'http://download.finance.yahoo.com/d/ > quotes.csv' > => "http://download.finance.yahoo.com/d/quotes.csv"; > > irb(main):003:0> params = {'s'=>'GOOG', 'f'=>'l1c1'} > => {"f"=>"l1c1", "s"=>"GOOG"} > > irb(main):004:0> postable_params = params.to_a.collect {|k,v| "# > {CGI::escape(k)}=#{CGI::escape(v)}" }.join('&') > => "f=l1c1&s=GOOG" > > irb(main):005:0> price,change = `wget -o /dev/null -T 2.0 --post-data > '#{postable_params}' -O - '#{app_url}'`.chomp.split(',') > => ["349.80", "+7.14"] > > Jeff > > On Feb 18, 8:59 am, Frank Kim <railso...@gmail.com> wrote: >> I probably did not say it right. I'll try again. :-) >> >> There is a form on another website. I want to submit data to this >> external from from my RoR app. >> >> I thought a simple way would be to do a get on the URL of the form >> with query arguments for the different fields of the form. But I >> don't even know how to do that. Can anyone help? >> >> >> >> On Wed, Feb 18, 2009 at 6:08 AM, Sazima <rsaz...@gmail.com> wrote: >> >> > Frank, >> >> > What do you mean? You can't post TO a form, you post FROM a form... >> >> > Cheers, Sazima >> >> > On Feb 17, 9:18 pm, Frank Kim <railso...@gmail.com> wrote: >> >> Hi, >> >> >> This is probably a dumb question but I can't figure it out. >> >> >> How do you post to an external form? I think the easiest way would be >> >> to do a GET on the URL with the query arguments but I don't know how >> >> to do that in a Ruby on Rails controller. And it'd be cool to figure >> >> out if the form submitted correctly. >> >> >> Thanks, >> >> -- >> >> Frank Kimhttp://betweengo.com/ >> >> -- >> Frank Kimhttp://betweengo.com/ > > >
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