Download lots of web pages?

Question

Browsers

It is necessary to download many web pages of the form:
" targetname/file.pdf?r=1 "
" targetname/file.pdf?r=2 "
....
How can this be done automatically by means of the browser? Script or extension?
PS http track no use features.

Answer 1

wget, which can download the list from a file, will not work?

Answer 2

Mac SiteSucker.app  
ricks-apps.com/osx/sitesucker