On Wednesday, October 24, 2012 3:25:41 PM UTC-5, Timothy Madden wrote:
>
> I am trying to see if the current system is 32-bit or 64-bit Windows. On
> 64-bit Windows the environment variable $ProgramFiles(x86) is known to
> exits, but Vim will just check for $ProgramFiles and the appendthe
> '(x86)' part. Is there a way to check if the environment variable
> $ProgramFiles(x86) exists in the current environment ?
>
> I tried both expand('$ProgramFiles(x86)') and
> exists('$ProgramFiles(x86)'), both of them check the '$ProgamFiles' part
> only.
>
:help expand-environment-var says that only letters, digits, and _ are allowed
in the environment variable name. I am not sure whether there is a workaround.
Perhaps Vim needs to allow a different set of characters for Windows
environment variables, or some way to escape the characters to indicate they
are part of the name.
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