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Date:	Mon, 18 Mar 2013 09:35:25 +0000
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Subject:	Re: problems with COM running native win32 applications through cygwin's bash
From:	Andy Koppe <andy DOT koppe AT gmail DOT com>
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On 18 March 2013 06:26, Edward Peschko wrote:
>>> All,
>
>>> We are having difficulties running various windows utilities through
>>> bash. Through a regular windows cmd, one can run commands like
>>> diskshadow without issue, but with bash, we are having problems with
>>> COM calls not working. We have posted an example below.
>
>> I'd recommend reporting this to MS if you haven't already.  While
>> there may be something in Cygwin that needs tweaking for this, it
>> would be best if MS could diagnose what is failing and why.  That
>> would make any Cygwin fix happen quicker.
>
> Larry,
>
> After further analysis, it looks like the reason diskshadow is failing
> is because it requires a fully-fledged 64 bit running environment to
> execute COM calls. As a workaround (and for whomever runs into this
> same issue and needs a fix) we have downloaded ActiveState's 64 bit
> native perl, and are doing:
>
> perl -e "system('cmd')";
>
> to get a native 64 bit environment, which allows the COM calls to
> happen for diskshadow.

The 64-bit cmd.exe can be invoked directly like this:

/cygdrive/c/sysnative/cmd

Andy

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