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Re: PATH and SystemRoot oddity
- From: Brian Dessent <brian at dessent dot net>
- To: cygwin at cygwin dot com
- Date: Thu, 25 Nov 2004 23:21:36 -0800
- Subject: Re: PATH and SystemRoot oddity
- Organization: My own little world...
- References: <20041126064717.0A1A4837CA@pessard.research.canon.com.au>
- Reply-to: cygwin at cygwin dot com
Luke Kendall wrote:
> I see that by default PATH includes some entries like
> %SystemRoot%/System32
>
> I also note that $SystemRoot is undefined, yet $SYSTEMROOT contains the
> expected C:\WINDOWS value.
>
> This of course causes problems. Would a backslash-style path work
> correctly if it were properly interpolated into the PATH? Is the %
> notation special magic for Cygwin to handle DOS-isms?
>
> The case variance may be of interest, in that case.
I think you're falsely attributing your errors to this. The cygwin DLL
takes care of all the win32 -> posix translation of the path, and it
knows about %SystemRoot%. If this were really the case don't you think
tons of things would break? Try "echo $PATH" at your shell prompt and
you'll see that the systemroot is correctly substituted.
FWIW, I think environment variables are case-insensitive at the win32
API level. They preserve case but are not sensitive to it, just like
ntfs.
Brian
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