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From:	OwN-3m-All <own3mall AT gmail DOT com>
Date:	Mon, 14 Nov 2016 20:36:53 -0700
Message-ID:	<CAK0ZC5X=jTLPhEPqJ=fJ30V=gcwxjD+xno=6bHcfDZkzQXSVjw@mail.gmail.com>
Subject:	Re: Cygwin Setup Command-line Arguments - Paths with a Space Incorrectly Parsed
To:	cygwin AT cygwin DOT com
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Thanks guys.  That was it.  I decided to remove the trailing slash for
my purposes.

set WD=%~dp0
set WD=%WD:~0,-1%

It's working now!

On Mon, Nov 14, 2016 at 12:23 PM, Brian Inglis
<Brian DOT Inglis AT systematicsw DOT ab DOT ca> wrote:
> On 2016-11-14 07:43, Gerrit Haase wrote:
>>
>> 2016-11-13 23:19 GMT+01:00 OwN-3m-All wrote:
>>>
>>> I'd like to automate Cygwin installation, but I don't want to rule
>>> out the possibility that a path with a space will not be used.
>>
>>
>> You'll get a warning from Setup: it is strongly recommended, to use a
>> root path without spaces.
>
>
> I'd go further - it is strongly recommended that you use only a subset
> of printable ASCII characters to avoid problems with Windows OEM and
> NLS code pages, and Cygwin mapping of some characters to UTF-16 user
> defined supplementary characters, understood only by Cygwin internals,
> for POSIX compatibility.
> So disallow names with anything disallowed by Windows:
>         "*/:<>?\|
> or outside the [!-~] range leaving [!#-)+-.0-9;=@-[\]-{}~]
> It would also be sensible to disallow anything interpreted by shells,
> including cmd, or programs, to avoid issues:
>         !#$%&'();[]`{}
> reducing the set to [+-.0-9=@-Z^_a-z~] i.e.
>         +,-.=@^_~
> plus digits and letters, to maintain interoperability without issues.
> Leading -.@~ should be disallowed as they have special meaning, and
> trailing ~ is questionable as it is often used for backup files,
> removed by cleanup scripts, so you might also want to disallow these.
>
> --
> Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada
>
>
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