John A. Wallace wrote:
>> In your bat file for starting Portable Thunderbird, include a line near
>> the top similar to
>> 
>> SET GNUPGHOME=%~d0\GnuPG
>> 
>> This will expand to <drive letter>:\GnuPG
>> 
>> If your script for starting Portable Thunderbird is
>> <drive>:\PortableApps\Thunderbird.bat, then %~dp0 will expand to
>> <drive>:\PortableApps, i.e., the _D_rive and the _P_ath of the called
>> command script.
> 
> It occurs to me that I might use %~p0 in order to cover the case when
> there is no drive letter but only a UNC pathname. I will test it.

cmd.exe (including executed .bat files, .cmd files, etc.) does not support the
current/working directory to be a UNC path.

You /may/ be able to work around that restriction with pushd/popd
Check this discussion of %~dp0 vs %cd%
http://www.computerhope.com/forum/index.php?topic=54333.0

>> 
>> http://stackoverflow.com/questions/5034076/what-does-dp0-mean-and-how-
>> does-it-work

Did the Portable GPG effort die? I noticed the discussion board referred to
'John' a few times. I guess that was John Moore. The links from there are 404.

-- 
John P. Clizbe                      Inet: John (a) Gingerbear DAWT net
SKS/Enigmail/PGP-EKP                  or: John ( @ ) Enigmail DAWT net
FSF Assoc #995 / FSFE Fellow #1797  hkp://keyserver.gingerbear.net  or
     mailto:[email protected]?subject=HELP

Q:"Just how do the residents of Haiku, Hawai'i hold conversations?"
A:"An odd melody / island voices on the winds / surplus of vowels"



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