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From: "Nellis, Kenneth (Conduent)" <Kenneth DOT Nellis AT conduent DOT com>
To: "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject: RE: [ANNOUNCEMENT] Updated: dash-0.5.9.1-1
Date: Thu, 2 Mar 2017 16:16:19 +0000
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From: Eric Blake 
> ...
> Until then, I'm worried that there are
> enough scripts in the wild that use bashisms and will therefore break if
> /bin/sh is not bash, even though that number has reduced somewhat since
> Debian made their switch.
> ...

I was thinking of testing my scripts by changing sh to be a link to 
dash, but ran into the following:

$ which sh bash dash
/usr/bin/sh
/usr/bin/bash
/usr/bin/dash
$ ls -ld /usr/bin/*sh
lrwxrwxrwx 1 knellis Domain Users    8 Dec  1 11:38 /usr/bin/csh -> tcsh.exe
-rwxr-xr-x 1 knellis Domain Users 4287 Jan 15 07:53 /usr/bin/instmodsh
lrwxrwxrwx 1 knellis Domain Users   12 May 26  2015 /usr/bin/tclsh -> tclsh8.5.exe
$

Why don't I see sh, bash, or dash?
But then I tried:

$ ls -ld /usr/bin/*sh.exe
-rwxr-xr-x 2 knellis Domain Users 100883 Feb 17 08:47 /usr/bin/ash.exe
-rwxr-xr-x 2 knellis Domain Users 739859 Jan 27 14:13 /usr/bin/bash.exe
-rwxr-xr-x 2 knellis Domain Users 100883 Feb 17 08:47 /usr/bin/dash.exe
-rwxr-xr-x 1 knellis Domain Users  11795 Aug 18  2013 /usr/bin/rsh.exe
-rwxr-xr-x 2 knellis Domain Users 739859 Jan 27 14:13 /usr/bin/sh.exe
-rwxr-xr-x 1 knellis Domain Users 650771 Dec 20 06:57 /usr/bin/ssh.exe
-rwxr-xr-x 1 knellis Domain Users 372755 Nov 24 11:07 /usr/bin/tcsh.exe
$

Another unexpected result from Cygwin's .exe magic.

--Ken Nellis

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