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[RaiMan <question254201@xxxxxxxxxxxxxxxxxxxxx>]

Question #254201 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/254201

    Status: Open => Needs information

RaiMan requested more information:
as far as I understand:
- DISPLAY is a system environment variable on ..nix systems
- it is only interpreted, when an application starts

... so changing it in an app after startup (if possible at all), should
not have any consequences

Jython os.environ/os.putenv
- there are some system specific behaviours and non-behaviors mentioned in the docs 
- but as far as I understand: in no case it changes the system environment (only the internal copy for the Jython session, same restriction as with Java)
- changes in environment are visible to subprocesses

I tested on Mac OSX 10.9 with Jython 2.7 (which is included in Sikuli 1.1.0):
changes using os.putenv are available later when using os.environ in the same session

BTW: what is your intention? selecting the screen, that Sikuli should
use at runtime?

what version of Sikuli?

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