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Re: [Patch] cygcheck: warn about empty path-components

On Tue, 5 Oct 2004, Corinna Vinschen wrote:

> Chris, I might be missing something but that looks like a bug in
> conv_path_list to me.  Why is conv_fn called with "." for empty
> strings instead of ignoring the empty path?
> Is an empty path component a windowzism I don't know about?

I don't know if it's part of any standard, but it's a *NIXism.  From
Solaris 8 "man sh":


The current directory is specified by a null path name, which can appear
immediately after the equal sign, between two colon delimiters anywhere in
the path list, or at the end of the path list.

"man ksh"


The default path is /bin:/usr/bin:  (specifying /bin, /usr/bin, and the
current directory in that order).

The current directory can be specified by two or more adjacent colons, or
by a colon at the beginning or end of the path list.


I believe this is a valid construct and I have used it frequently.

Brian Ford
Senior Realtime Software Engineer
VITAL - Visual Simulation Systems
FlightSafety International
the best safety device in any aircraft is a well-trained pilot...

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