From: Dan Mansfield <dan@...>
Date: 2010-09-20T21:39:05+09:00
Subject: [SOLVED] Re: Mechanize file save on generated link

Thanks to everyone who helped. Writing the file in Binary mode did the 
trick.

In case anyone has this problem in the future here is my full script:

require 'rubygems'
require 'mechanize'

URL_LOGIN = 
'https://www.bethere.co.uk/cas/login?service=https://www.bethere.co.uk/c/portal/login'
URL_BILLING = 'https://www.bethere.co.uk/group/beportal/billsandpayment'

abort "Usage: #{$0} <username> <password>" unless ARGV.length == 2

agent = Mechanize.new
agent.follow_meta_refresh = true
agent.redirect_ok = true
agent.user_agent = 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; 
en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6'
login_page = agent.get(URL_LOGIN)

login_form = login_page.forms.first
login_form.username = ARGV[0]
login_form.password = ARGV[1]

redirect_page = agent.submit(login_form)

invoice_page = agent.get(URL_BILLING)
link = invoice_page.links_with(:href => "/be-portal/downloadPdf").first
page = agent.click(link)

File.open(page.filename.gsub("/","_"), 'w+b') do |file|
     file << page.body.strip
end
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