tar(1) tvvf %2Fnearline%2Fdef-sponsor%2Fuser%2Fmycollection.tar %3E %2Fnearline%2Fdef-sponsor%2Fuser%2Fmycollection.index
The GNU version of the tar archiving utility
-t, --list
      list the contents of an archive
-v, --verbose
      verbosely list files processed
-f, --file ARCHIVE
      use archive file or device ARCHIVE
tar [-] A --catenate --concatenate | c --create | d --diff --compare | --delete | r --append | t --list |
    --test-label | u --update | x --extract --get [options] [pathname ...]
source manpages: tar