Re: using text file to get ip address from hostname

Path	csiph.com!usenet.pasdenom.info!dedibox.gegeweb.org!gegeweb.eu!nntpfeed.proxad.net!proxad.net!feeder1-2.proxad.net!usenet-fr.net!nerim.net!novso.com!newsfeed.xs4all.nl!newsfeed5.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path	<python-python-list@m.gmane.org>
X-Original-To	python-list@python.org
Delivered-To	python-list@mail.python.org
X-Spam-Status	OK 0.004
X-Spam-Evidence	'H': 0.99; 'S': 0.00; 'subject:text': 0.05; 'subject:file': 0.07; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'subject:using': 0.09; 'terry': 0.09; 'exercise': 0.13; 'exercise:': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'reedy': 0.16; 'wrote:': 0.17; 'jan': 0.18; 'trying': 0.21; 'lab': 0.23; 'header:In-Reply-To:1': 0.25; 'header:User-Agent:1': 0.26; 'am,': 0.27; 'header:X -Complaints-To:1': 0.28; 'maybe': 0.29; 'file': 0.32; 'structure': 0.32; 'ordered': 0.33; 'to:addr:python-list': 0.33; 'open': 0.35; 'received:org': 0.36; 'really': 0.36; 'level': 0.37; 'subject:: ': 0.38; 'files': 0.38; 'fact': 0.38; 'to:addr:python.org': 0.39; 'header:Received:5': 0.40; 'your': 0.60; 'most': 0.61; 'email addr:gmail.com': 0.63; 'study': 0.66; 'subject:get': 0.81; 'received:fios.verizon.net': 0.84
X-Injected-Via-Gmane	http://gmane.org/
To	python-list@python.org
From	Terry Reedy <tjreedy@udel.edu>
Subject	Re: using text file to get ip address from hostname
Date	Wed, 12 Sep 2012 17:04:52 -0400
References	<e4e100d1-bdf9-45d0-a137-615b1e820cfb@googlegroups.com> <b025598a-8593-4830-b4a8-a6f5d8ea238c@googlegroups.com>
Mime-Version	1.0
Content-Type	text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding	7bit
X-Gmane-NNTP-Posting-Host	pool-173-75-251-66.phlapa.fios.verizon.net
User-Agent	Mozilla/5.0 (Windows NT 6.1; WOW64; rv:15.0) Gecko/20120824 Thunderbird/15.0
In-Reply-To	<b025598a-8593-4830-b4a8-a6f5d8ea238c@googlegroups.com>
X-BeenThere	python-list@python.org
X-Mailman-Version	2.1.15
Precedence	list
List-Id	General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe	<http://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive	<http://mail.python.org/pipermail/python-list/>
List-Post	<mailto:python-list@python.org>
List-Help	<mailto:python-list-request@python.org?subject=help>
List-Subscribe	<http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups	comp.lang.python
Message-ID	<mailman.579.1347483927.27098.python-list@python.org> (permalink)
Lines	17
NNTP-Posting-Host	2001:888:2000:d::a6
X-Trace	1347483927 news.xs4all.nl 6887 [2001:888:2000:d::a6]:46319
X-Complaints-To	abuse@xs4all.nl
Xref	csiph.com comp.lang.python:28999

Show key headers only | View raw

On 9/12/2012 10:41 AM, dkatorza@gmail.com wrote:


> it's not really homework, i found a lab exercise on the web
 > and i;m trying to study with it. maybe not the most efficient way.
>
> i have a file with hostnames ordered line by line.

Key fact for this exercise: open files are iterable.
So your top level structure is...

for line in open(<hostname file>):
   <process hostname in line>

-- 
Terry Jan Reedy

Thread

using text file to get ip address from hostname dkatorza@gmail.com - 2012-09-12 07:24 -0700
  Re: using text file to get ip address from hostname Chris Angelico <rosuav@gmail.com> - 2012-09-13 00:35 +1000
  Re: using text file to get ip address from hostname dkatorza@gmail.com - 2012-09-12 07:41 -0700
    Re: using text file to get ip address from hostname Alister <alister.ware@ntlworld.com> - 2012-09-12 17:51 +0000
    Re: using text file to get ip address from hostname Terry Reedy <tjreedy@udel.edu> - 2012-09-12 17:04 -0400
  Re: using text file to get ip address from hostname Jason Friedman <jason@powerpull.net> - 2012-09-12 21:12 -0600
  Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-15 09:20 -0700
    Re: using text file to get ip address from hostname Hans Mulder <hansmu@xs4all.nl> - 2012-09-15 20:52 +0200
    Re: using text file to get ip address from hostname Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2012-09-17 22:37 +0200
  Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-15 15:43 -0700
    Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 00:41 -0700
      Re: using text file to get ip address from hostname Chris Angelico <rosuav@gmail.com> - 2012-09-19 18:14 +1000
        Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 01:50 -0700
          Re: using text file to get ip address from hostname Chris Angelico <rosuav@gmail.com> - 2012-09-19 18:59 +1000
        Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 01:50 -0700
          Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 02:10 -0700
          Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 02:10 -0700
            Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 05:28 -0700
              Re: using text file to get ip address from hostname Dave Angel <d@davea.name> - 2012-09-19 14:22 -0400
            Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 05:28 -0700
              Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 22:13 -0700
              Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 22:13 -0700

csiph-web