With mechanize you are selecting the form you want to post, while in your http request you'll have to do it in your own

You'll have to take a look at the form you're submitting and make sure that it does submit the form to 'bat.html' which is unlikely to be the case.

Look for <form method='post' action='HERE's the action url you'll have to submit your data to'>

In reply to Re: A case where Mechanize works, LWP doesn't by ahmad
in thread A case where Mechanize works, LWP doesn't by dneedles

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