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use Python and an outlook: protocol URL to bring up a specific email

Christian Gollwitzer auriocus at gmx.de
Tue Jan 12 13:04:35 EST 2016 
Am 12.01.16 um 18:52 schrieb Chris Angelico:
> On Wed, Jan 13, 2016 at 4:37 AM, eryk sun <eryksun at gmail.com> wrote:
>>
>> start is a shell command. It also has a quirk that the first quoted
>> argument is the window title. Here's the correct call:
>>
>>      subprocess.check_call('start "title" "%s"' % url, shell=True)
>
> Is that properly escaped to handle any arbitrary URL? I doubt it.
>
> Do you actually need shell=True? I would strongly recommend using the
> form that I used, unless it can be proven that that doesn't work.

As stated, start is not an executable on Windows, but it is a built-in 
command of cmd.exe. And thus it has very quirky quotation rules. This is 
unlike Linux, where "xdg-open" is a shell script, and OSX, where "open" 
is a binary executable.
	
	Christian
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