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Date: Thu, 11 Aug 2016 00:05:39 +0300
From: Andrey Repin <anrdaemon AT yandex DOT ru>
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To: =?windows-1252?Q?Hans-Bernhard_Br=F6ker?= <HBBroeker AT t-online DOT de>,
        cygwin AT cygwin DOT com
Subject: Re: PATHEXT is fundamental to Windows and Should be recognised by CYGWIN
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Greetings, Hans-Bernhard Bröker!

> Am 10.08.2016 um 03:01 schrieb Andrey Repin:

>> PATHEXT tells the shell to consider these file extensions executable.

Erik:
> PATHEXT is very simply a list of extensions CMD.EXE will automatically
> append to the given filename when searching the PATH for a command to
> execute.  Once a filename+extension is found, CMD.EXE still needs to
> know what to do with the given file to be able to execute it.

Hans:
> No.  That's what file associations do.  cygstart will apply those where 
> needed, so let's consider that aspect of the case closed, shall we?

> PATHEXT has just _one_ job, in those few tools that even use it: it 
> saves one the burden of referring to a file by its actual name.  It's 
> what makes a given command of just

Yes, sorry. I was slightly confused myself.
I rechecked my facts afterward, and, indeed, cmd was successful in executing a
script through file association, given the name including extension, even
though I explicitly removed the extension from PATHEXT and respawned the
shell to be absolutely sure.

The point about <Tab>'ing of course makes PATHEXT less and less appealing in
its native form.


-- 
With best regards,
Andrey Repin
Thursday, August 11, 2016 00:01:14

Sorry for my terrible english...