FBXRead -f [filename]; 
         
         Reads the specified FBX file without importing anything into Maya. The file is instead stored in a buffer. This command is
            used for take querying. 
         
         Once read or imported, use the commands , ,  for take querying. 
         
         Note 
               The file you are reading must match an existing file name, otherwise the file in the buffer is destroyed if you attempt to
                  read or import a non-existent file.