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Subject:	Re: Something wrong with cygstart
To:	cygwin AT cygwin DOT com
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Date:	Mon, 15 Dec 2025 12:56:56 +0100
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From:	Christian Franke via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	cygwin AT cygwin DOT com
Cc:	Christian Franke <Christian DOT Franke AT t-online DOT de>
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Andrey Repin via Cygwin wrote:
> Greetings, Christian Franke via Cygwin!
>
>> Andrey Repin via Cygwin wrote:
>>> I'm using a wrapper script to comfortably start VS Code from file manager.
>>>
>>> The last line of it is
>>>
>>> cygstart --hide -- "/proc/cygdrive/c/Program Files/Microsoft VS Code/bin/code.cmd" "$(cygpath -alw "$_arg")"
>>>
>>> It works well up to the point where there are no spaces in the $_arg. But on
>>> the first seen space it break the arguments list into pieces.
>>> I have to double-quote the argument to maintain the consistency, like
>>>
>>> cygstart --hide -- "/proc/cygdrive/c/Program Files/Microsoft VS Code/bin/code.cmd" "\"$(cygpath -alw "$_arg")\""
>>>
>>> but that's a questionable solution at best.
>> This is as expected. Unlike Cygwin's exec() emulation, cygstart does not
>> add any quoting during conversion of the argv[] array to the plain argument
>> string required for Windows process creation API.
> Which is rather surprising, considering I've had these scripts for years.
> Guess I was just TOO lucky to not stumble upon the issue sooner.

Yes, as this behavior of cygstart has never changed since its early days 
(v1.0.0 from 2002-03-16):
https://sourceware.org/git/?p=cygwin-apps/cygutils.git;a=tree;f=src/cygstart


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