Samuel,
Thank you very much vor this very complete answer!
Regards,
Federico
On 20/02/2019 08:56, Samuel Gougeon wrote:
Hello Federico,
Le 20/02/2019 à 03:46, Federico Miyara a écrit :
Dear all,
I'm currently using Scilab 6.0.1 on Windows 7 with several projects
in progress that I don't want to put at risk. But I'm anxious to give
6.0.2 a try. Is it safe to install it in other folder? I mean, can
both versions coexist or it is necessary to uninstall 6.0.1 to
prevent trouble?
Yes, as written by Eric, you can install as many versions as you want,
official ones and development ones as well (to give them a try and
contribute to prevent bugs before official releases) without any issues.
This is a strong -- too little known -- asset of Scilab.
For all official releases, by default there is one specific SCIHOME
directory per version. This means that each version has its own
configuration and preferences files (for the desktop, scinotes,
general, etc), history of commands file, etc, stored in the related
SCIHOME directory.
You can simultaneously run different versions as well. But then you
have the history of commands for each version, not mixed. You have to
copy your scilab.ini or .scilab user init file in each SCIHOME
directory ; etc.
It is possible to share the same SCIHOME directory, but it might then
cause some troubles.
* Launching scilab with the -scihome option is possible since Scilab
6.0.1, to set SCIHOME by hand.
* Different development versions
<https://build.scilab.org/view/Scilab%20binaries/> of a given
branch (current, master,..) always share (by default) the same
SCIHOME directory. But this can be worked around by using the
-scihome option. Do not hesitate to use development versions. They
are often better (or even much better) than official releases. It
takes 3 to 5 mn to instal a version (and set its launching
shortcuts with -scihome if required, and its preferences). So it
is worth to do it. And if for 20% of dev versions temporarily it
does not work better, then you have lost only 5 mn... Not so much ;-)
For "old versions", some incompatibilities may appear. For instance, i
can run all scilab versions from 5.3.3 to 6.0.2 without any issue. But
when i run 5.0.0 <= versions <= 5.3.0, making graphics always crash
the session (while it worked well before). It could be due to some
Java runtime library incompatibilities, not necessarily due to
recently Scilab installations, but possibly to automatic Java updates.
This is unclear. When i run Scilab 4.1.2, graphics are OK and stable.
HTH
Regards
Samuel
Regards,
Federico Miyara
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