On 2014-10-21 18:39, Rolf Huehne wrote:
> It is not that simple.
> The current user might not have the right to write in the install 
> directory.
> What about multiple users on the same computer?

Hi Rolf,

You are right. Then the choice of the directory requires more
consideration, but I am sure it is not an unsolvable problem.

> One set of problems here will be caused by multiple instances of Jmol
> run simultaneously by the same user on the same computer.
> If you write one line at a time you will get a mixture of different
> sessions that will not be very helpful. You must also make sure that 
> the
> instances are writing one after another.

Good point again.
Writing a single history file by multiple instances should never ever 
happen.

> And what about command-line usage?
> We use Jmol.jar for example for producing automatically about 300000
> images for all PDB structure by a complex script with about hundred
> lines of code. I wouldn't want that to be slowed down by writing into a
> history file for each line (and coordinating to do this from 30
> processes in parallel).

Your massive use case and a usual simple experimenting differ a lot.
I still think that a history file across multiple sessions
is of great value while one is experimenting with Jmol.
In "expert mode" is should be just switched off completely.

Gabor

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