Select Code to Download

for each page-I-want-to-get{
  get it using LWP:Simple or skip if error
...

then write out a new "index.html" file with links to all the files 
rewritten at the previous step.

for each page-I-want-to-get{
  check it's up using LWP:Simple's head(); or skip if error
...

then go and actually get the pages' html , munge it and write the
files

print '</body></html>';