You can always compose it yourself.
Format:
ftp://user:password@site:port/dir_lvl1/dir_lvl2/.../file
As long as you know where your file is and what its name is, you can always compose the full URL on your own.
ftp://user:password@site:port/dir_lvl1/dir_lvl2/.../file
As long as you know where your file is and what its name is, you can always compose the full URL on your own.