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Date:	Wed, 20 Mar 2019 10:24:21 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Corner-case bug in .exe handling?
Message-ID:	<20190320092421.GR3908@calimero.vinschen.de>
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On Mar 19 18:02, Yaakov Selkowitz wrote:
> Just came across this with 3.0.4 on both Win7 and Win10 1804:
>=20
> $ ls -1 /usr/bin/python2.7
> /usr/bin/python2.7
> $ ls -1 /usr/bin/python[2-9].[0-9]
> /usr/bin/python3.5
> /usr/bin/python3.6
> /usr/bin/python3.7
> /usr/bin/python3.8
>=20
> python2.7 is the actual .exe where python3.* are symlinks, but
> shouldn't 2.7 still be included in the latter?

No, even if that looks weird.  But think about what happens.  ls calls
readddir.  readdir returns "python2.7.exe".  The matching is not done by
Cygwin, but by the shell.  And python2.7.exe simply doesn't match
"python[2-9].[0-9]".

Nothing Cygwin can do about, unless we suppress the .exe suffix in
readdir/realpath/readlink output just like we do with the ".lnk" suffix
for the old winsymlink symlink style.


Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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