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 Analyse program "rddddb" 
 Purpose : Reads the DB-files to plot geometeries.

 Usage   : rddddb [-i -o -a -ver -h -?] task 
  rddddb DB : Reads geo.db and writes plot.db
  rddddb refdb : Reads refdb.dat and writes xref to plot.db
 If no task is given, geo.db structures are plotted
  
 -i DIR  : Use DIR as name-directory.
 -o FILE : The output is written to file FILE rather than to the default name

 -a  : Jmol is called to automatically plot structures.
 -ver    : Version information about the program.
 -h      : Print this help text. 
 -?      : Print this help text. 
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