If you have a download, whose filename is already taken
in the download directory, you could be downloading a
similar, but not identical file, therefore you wouldnt
want to overwrite that file with the new one, you'd
want to download to a new file, keeping the old file
alongside.
you need to specify a rename format in the options in
order to be able to use this feature.
nn_<filename>
would create files along these lines
01_archive.zip
02_archive.zip
03_archive.zip
etc..
<filename>
would create
001_archive.zip
002_archive.zip
003_archive.zip
etc..
not sure what other formats would be of use, or how you
could enforce them. For example:
www.somewebsite.movie.mpg
how would you create a rename format that would create
filenames with
www.somewebsite.movie01.mpg
www.somewebsite.movie02.mpg
www.somewebsite.movie03.mpg
since you couldnt use the last "." since how would you
know it's the last, what about:
www.somewebsite.movie_01.tar.gz
www.somewebsite.movie_02.tar.gz
www.somewebsite.movie_03.tar.gz
since thats almost identical to above, yet you are now
2 "." from the end, so the extension could be more than
one filename part from the end of the file