Subprocess puzzle and two questions

Roy Smith roy at
Wed Nov 14 05:41:24 CET 2012

In article <mailman.3664.1352867713.27098.python-list at>,
 wrw at wrote:

> I need to time the operation of a command-line utility (specifically 
> nslookup) from within a python program I'm writing.

Ugh.  Why are you doing this?  Shelling out to nslookup is an incredibly 
slow and clumsy way of doing name translation.  What you really want to 
be doing is calling getaddrinfo() directly.

See for 

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