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Date:	Wed, 19 May 2010 12:25:15 +0200
From:	S DOT Baunack AT ifw-dresden DOT de
To:	cygwin AT cygwin DOT com
Subject:	Cygwin enviroment !C:=
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Hallo,

I've installed a package for analysis of scientific images (IMOD from=20=20
the University of Colorado).
IMOD runs under Linux, Windows, Mac OS X.
Under Windows the installation of Cygwin is required.

Parts of the IMOD package don't run properly even after several trails=20=
=20
on my main PC (Windows XP Professional SP3 and Cygwin 1.7.1), but on=20=20
other PCs the package runs.
This behaviour was reported in the IMOD newsgroup (obviously a script=20=20
will be generated but not executed ), but the root cause was not found.

I've detected, that there are differences in Cygwins environment=20=20
variable on the diffeetn PCs.

When I display the environment variables in the bash shell using
$ set

On the PCs with IMOD running correctly I found these entries

!::=3D'::\'
!C:=3D'C:\cygwin\bin'	This is the path to Cygwin
(PC: Windows XP Home SP3 at home):

or

!D:=3D'D:\cygwin\bin'	This is the path to Cygwin
!X:=3D'X:\'		This is HOMEDRIVE of Windows
(PC: Windows XP Professional SP3 in a domain)

For the PC with the problems no entries like  "!drive" are found (the=20=20
PC is in the same domain).
So far, I've not found a description of "!drive".

What does "!drive" mean and how can I insert such expressions in the=20=20
environment variable?

Regards
Stefan

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