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<div class="moz-cite-prefix">Hello Federico,<br>
<br>
Le 20/02/2019 à 03:46, Federico Miyara a écrit :<br>
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<blockquote cite="mid:5C6CBF68.3020108@fceia.unr.edu.ar" type="cite">
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<font face="Courier New, Courier, monospace">Dear all,<br>
<br>
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?<br>
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<br>
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.<br>
This is a strong -- too little known -- asset of Scilab.<br>
<br>
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.<br>
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.<br>
<br>
It is possible to share the same SCIHOME directory, but it might
then cause some troubles.<br>
<ul>
<li>Launching scilab with the -scihome option is possible since
Scilab 6.0.1, to set SCIHOME by hand.<br>
<br>
</li>
<li>Different <a
href="https://build.scilab.org/view/Scilab%20binaries/">development
versions</a> 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 ;-)<br>
</li>
</ul>
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.<br>
<br>
HTH<br>
Regards<br>
Samuel<br>
<br>
<br>
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<br>
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<blockquote cite="mid:5C6CBF68.3020108@fceia.unr.edu.ar" type="cite"><font
face="Courier New, Courier, monospace"> <br>
Regards,<br>
<br>
Federico Miyara<br>
</font>
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