dynamics merge <dynamics-merge-statement> end

<dynamics-merge-statement> :==

  {<trajectory-statement>}
  output=<filename>
  --{Output trajectory file.}
  oascii=<logical>
  --{Write formatted trajectory file. Default=false}
  format=<format>
  --{Fortran format for writing trajectory. Default=12z6}
  offset=<real>
  --{Offset for trajectory file writing. Default=800.0d0}
  scale=<real>
  --{Scale factor for trajectory writing. Default=10000.0d0}
  ensemble=<logical>
  --{If true the mismatch checking between different trajectory files
     is bypassed. This allows the generation of a pseudo-trajectory
     from several otherwise unrelated trajectory files.}
  orient <dynamics-merge-orient-statement> end
  --{}

  --{Only atoms which are able to move are output. ie. Fixed atoms will not
     be written.}

  <trajectory-statement> :==

    input=<filename>
    --{File to read trajectory from.}
    begin=<integer>
    --{Start at this step in trajectory file. Default=1}
    skip=<integer>
    --{Skip the specified number of steps. Default=1}
    stop=<integer>
    --{Stop at this step. Default=999999}
    ascii=<logical>
    --{Input trajectory is formatted rather than binary. Default=false}

    --{Several input files may be specified. Files are read in the
       order given. Begin, skip, stop are all in integration units.}