On Sat, Jul 6, 2019 at 12:31 PM <jf...@ms4.hinet.net> wrote:
>
> Terry Reedy於 2019年7月5日星期五 UTC+8上午12時13分25秒寫道：
> > On 7/3/2019 7:57 PM, jf...@ms4.hinet.net wrote:
> > > I have the test0.py below. I expect to see 'abcd' showing in the notepad
> > > window:
> > > ---------
> > > import subprocess as sp
> > > p0 = sp.Popen('notepad.exe', stdin=sp.PIPE)
> > > p0.communicate(input=b'abcd')
> > > ---------
> > > But nothing happens. The notepad is completely empty. What have I missed?
> > >
> > > --Jach
> > >
> > > PS. I am using python 3.4 on Windows Vista
> >
> > Upgrade to 3.7 or 3.8 to get hundreds of bug fixes, let alone new
> > features. Both subprocess and multiprocessing have gotten fixes.
>
> I can't because my OS is Vista and v3.4 is the last it can run:-( Also
> the pywin32 can't be installed for it requires v3.5 and up.
>
So... upgrade to a better operating system?
ChrisA
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