title: Bash script to login to website and download file
body: <p>I am a bit stuck with my bash script.  I need it to login to a website which https based... it needs to login with a username and password and then it needs to locate a particular link, the text of the link is always the same but the location it points to changes, it needs to grab that location and download it with wget.</p>
  
  <p>Anhbody have any tips, i need it to be portable so i prefer not to rely on external programs..</p>
  
  <p>Thank you</p>