Renames files in archive.
rn <archive_name> <src_file_1> <dest_file_1> [ <src_file_2> <dest_file_2> ... ]
7z rn a.7z old.txt new.txt 2.txt folder\2new.txt
renames old.txt to new.txt and 2.txt to folder\2new.txt .
-p (Set Password)
-stl (Set archive timestamp from the most recently modified file)
-w (Working Dir)