[wpkg-users] Package pre-requisites

Tomasz Chmielewski mangoo at wpkg.org
Wed May 31 14:31:27 CEST 2006

Markus Ernst wrote:
> Hi,
> I wonder if there is a way to install or not to install a package 
> depending on the OS of the maschine.
> Example: I like to install Filzip only on Win2k maschine not on WinXP.
> Any OS detection solution with <check type="registry" condition="exists" 
> … > do not work because the result will be the same after installation.
> It there any way to create a condition like "package requires registry 
> path exists"  (or similary for registry values or files) ?

There is no such thing in WPKG, but it's a good idea no have it.

There is a proof-of-concept patch by Bill Shirley that distinguishes 
between 9x and NT/2000/XP lines of Windows (this means, you won't 
distinguish between 2000 and XP):


If you know some JScript/JavaScript, you could help improve it :)

Tomasz Chmielewski

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