!BRIEF -i <infile1> [<infile2>...] -o <outfile>
!PARAMETER -i
  !ALIAS -in
  !TYPE string
  !LIST true
  !REQUIRED true
  !BRIEF input file name(s)
!END
!PARAMETER -o
  !ALIAS -out
  !TYPE string
  !REQUIRED true
  !BRIEF output file name
!END
