Grabbing a command's output was Re: dns reverse look up with python ?

[Remco Gerlich]

Joel Ricker <joejava at dragonat.net> wrote in comp.lang.python:
> When I saw this question posted last night, I started to answer it the same
> way I did it in Perl.  I needed to do a reverse lookup myself in a project I
> was doing.  I couldn't make heads or tails of the perl modules that can do
> this so I finally figured out how to do this as a os command with nslookup.
> Basically I was looking up the IP address reported by the web server to see
> if its me or not and lock out everyone else for the time being.  With perl
> you do system commands like this:
> 
> $Result = `nslookup 127.0.0.1`
> 
> and $Result will contain the results of the command.  But what I found in
> the Python reference was os.system("command") which returned only a value
> that reports if the command was successful or not.  What is the Python way
> of running command and have the actual results of the command returned?

os.popen("command")

returns a filelike object that you can read from.

-- 
Remco Gerlich