how to use subprocess.Popen execute "find" in windows

[Diez B. Roggisch]

clyfish at gmail.com wrote:

> In cmd, I can use find like this.
> 
> C:\>netstat -an | find "445"
>   TCP    0.0.0.0:445            0.0.0.0:0              LISTENING
>   UDP    0.0.0.0:445            *:*
> 
> C:\>
> 
> And os.system is OK.
>>>> import os
>>>> os.system('netstat -an | find "445"')
>   TCP    0.0.0.0:445            0.0.0.0:0              LISTENING
>   UDP    0.0.0.0:445            *:*
> 0
>>>>
> 
> But I don't know how to use subprocess.Popen to do this.

While there certainly are valid usecases for piping with subprocess in
Python - this ain't one I'd say. Just read the output of netstat yourself,
and filter for lines that contain the desired pattern.

Diez