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copied!<p>Applying <a href="https://stackoverflow.com/a/9239869/1069375">pOdeje</a>'s loop to repopulate the cookie jar, here's a solution that includes storing the cookies into a file, readable in a later Ruby run. A straight <code>File.open</code> write and read of the array had some issues I didn't wish to work around (parsing?), but <strong>YAML object serialization</strong> already bundled in Ruby was well suited to the task.</p> <pre><code>require 'yaml' # Save/serialize cookies # File.open("ST.cookies.txt", 'w').write $browser.cookies.to_a.to_s File.open("ST.cookies.yaml", 'w').write YAML::dump($browser.cookies.to_a) # Load/deserialize cookies # $cookies = File.open("ST.cookies.txt", 'r').to_a # returns 1-elem array of single long line, not indiv elements $cookies = YAML::load(File.open("ST.cookies.yaml", 'r')) $browser.cookies.clear $cookies.each do |saved_cookie| $browser.cookies.add saved_cookie[:name], saved_cookie[:value], :domain => saved_cookie[:domain], :expires => saved_cookie[:expires], :path => saved_cookie[:path], :secure => saved_cookie[:secure] end </code></pre> <p>Still on the lookout for a pre <code>watir-webdriver 0.5.x</code> method, though.</p> <p><strong>CAVEAT</strong></p> <p>Not thoroughly tested yet but it seems I have to <em>first</em> load the URL to which the cookies apply, <em>then</em> load in my cookie jar using the above method, and <em>finally</em> load that URL into <code>$browser</code> object <strong>a second time</strong>. This is only a minor inconvenience and time cost for my case in which I'm staying within the same domain throughout my web session, but I can see this turning into a real thorn for cookie jars affecting several unrelated sites (as had indeed been an expectation for my old programs using other languages & libraries like Mechanize). Curl and Wget and generally other tools I've used for SOAP interfacing always let me control my POST/session/cookie environments prior to site loading. Just a thought.</p>

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