I would like to have a conditional based on the presence of a certain file on
the end user's drive. The file is in the user's directory, so I would like to
use some environment variables to locate it. This is essentially what I want:
<Property Id="FILE_TEST">
<DirectorySearch Id="File_Path" Path=" %HOMEDRIVE%%HOMEPATH%" Depth="0">
<FileSearch Id="File" Name="foo.txt" />
</DirectorySearch>
</Property>
<Condition Message="This setup requires a certain file">
FILE_TEST
</Condition>
Which does not work. Note that I am not looking to use pre-processor variables
such as $(env.HOMEDRIVE)$(env.HOMEPATH) because then the string would be tied
to my user directory, and not the person who is running the installer.
Is this possible, or do I have to get this info out of the registry?
Thanks,
-Ben
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