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Subject: Re: Command line length in Ash or Dash Shells
To: Dr Rainer Woitok <rainer DOT woitok AT gmail DOT com>
References: <22062 DOT 2952 DOT 946000 DOT 358554 AT woitok DOT gmail DOT com> <562E514E DOT 4000801 AT redhat DOT com> <22063 DOT 37889 DOT 345000 DOT 595112 AT woitok DOT gmail DOT com>
Cc: cygwin AT cygwin DOT com
From: Eric Blake <eblake AT redhat DOT com>
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Date: Tue, 27 Oct 2015 10:55:16 -0600
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On 10/27/2015 09:10 AM, Dr Rainer Woitok wrote:
> Eric,
>=20
> On Monday, 2015-10-26 10:14:06 -0600, you wrote:
>=20
>> ...
>>                                                                  So once
>> you start a dash shell, that dash shell can start any number of other
>> dash shells with no command line length limit other than the memory
>> available to your machine.
>=20
> Assume I terminate  Cygserver and any  other Cygwin  services running, I
> then start "ash.exe" by double clicking it in a Windows Explorer window,
> from the  command line  in the  "ash.exe"  window  I start my  Ash Shell
> script which in turn starts  "setup-x86*.exe"  with a  very long command
> line.

Sadly, setup-x86*.exe is a native Windows process, not a cygwin process
(and MUST be, since you can run setup prior to having cygwin installed).
 So it is unfortunately stuck at the Windows limitations on max
command-line+environment sizing.

Of course, patches are welcome, if someone would like to propose a way
to make setup-x86.exe read its package list from a file name given on
the command line, rather than having to pass every package name on the
command line.

--=20
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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