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From:	"Buchbinder, Barry (NIH/NIAID) [E]" <BBuchbinder AT niaid DOT nih DOT gov>
To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Date:	Tue, 3 Apr 2012 17:47:40 -0400
Subject:	RE: Is this supposed to work this way?
Message-ID:	<0105D5C1E0353146B1B222348B0411A20A6536CB91@NIHMLBX02.nih.gov>
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Andrey Repin sent the following at Tuesday, April 03, 2012 3:21 PM
>[Z:\]$ assoc .sh
>.sh=unixshell.script
>
>[Z:\]$ ftype unixshell.script
>unixshell.script="C:/Programs/Cygwin/bin/env.exe" "%1" %*
>
>[Z:\]$ testcase.sh
>++ readlink -fn 'Z:\testcase.sh'
>+ XXX='/z/Z:\testcase.sh'
>+ echo '/z/Z:\testcase.sh'
>/z/Z:\testcase.sh
>++ dirname '/z/Z:\testcase.sh'
>+ XXX=/z/Z:
>+ echo /z/Z:
>/z/Z:
>+ ls -l /z/Z:
>ls: cannot access /z/Z:: No such file or directory
>
>The "testcase.sh" is very simple.
>
>#! /bin/sh
>set -x
>XXX=${XXX:=$(readlink -fn "$0")}
>echo $XXX
>XXX=$(dirname "$XXX")
>echo $XXX
>ls -l "$XXX"
>
>I can combat this by
>XXX=$(cygpath -alm "$0")
>XXX=${XXX:=$(readlink -fn "$0")}
>
>but then my script losing portability. (Namely, I can't "set -e" it then.)
>Any suggestions, perhaps?

Is there a reason that something like the following wouldn't work?

if [ -f /bin/cygwin1.dll ]
then
else
fi

>Sorry for my terrible english...

Not at all terrible.

Best wishes,

- Barry
  Disclaimer: Statements made herein are not made on behalf of NIAID.

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