Author: Robert Hollay
Date: 00:18:24 01/22/06
Go up one level in this thread
On January 22, 2006 at 00:46:41, William Penn wrote: >On January 21, 2006 at 21:21:11, Mike Byrne wrote: > >>On January 21, 2006 at 18:09:20, Robert Hollay wrote: >> >>>On January 21, 2006 at 11:41:10, Mike Byrne wrote: >>> >>>>On January 21, 2006 at 10:18:26, William Penn wrote: >>>> >>>>>On January 20, 2006 at 08:15:24, Christopher Conkie wrote: >>>>> >>>>>>Life just gets better and better....... >>>>>> >>>>>>Go now........download........here........ >>>>>> >>>>>>http://www.playwitharena.com/ >>>>>> >>>>>>In the Arena Download section on the left hand side menu. >>>>>> >>>>>>:-) >>>>>> >>>>>>Christopher >>>>> >>>>>I haven't been able to use prior versions of Arena because they don't have a >>>>>"replace" operation. I need to be able to load a game from a database, modify >>>>>it, then replace it in the database at the same position. Arena only has a >>>>>"save" operation, so the game is saved at the end of the database (appended) - >>>>>messing up the order of games in the database. Can you tell me if this has been >>>>>fixed/implimented in the new version? >>>>>Thanks, >>>>>WP >>>> >>>>No, it is not a fucntion that Arena has. Although, I agree it would be a "nice >>>>to have" function. Perhaps if you contact the authors, they could add it to >>>>their list? >>> >>> Games which are saved under Arena in PGN format are not in a database, but in >>>an ordinary file, sequentially written. >>> It's difficult to replace or delete games in a sequential file. >>> The only possible operation is appending the new game at the end. >>> It would be much better to use a true database for that purpose, a lightweight >>>database, e.g. dBase or Paradox, which have indexed search capabilities and >>>all the above mentioned functions. >> >>Good point - AFAIK, no one has a replace command when using simple text pgn >>files. >> >>Michael > >Not true! > >The Chessbase Fritz GUI (such as came with Shredder 8) and the Shredder Classic >9.1 GUI have a replace operation, and it works fine on PGN files. > >It is not difficult to do this with a sequential database. You divide the >database into 3 strings, the middle string being the game that's modified. Then >after modification, you put the 3 strings back together. Pretty simple. >WP Of course it can be done. But it would be rather slow with larger databases, especially on older hardware. Robert
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