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Re: using text file to get ip address from hostname

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בתאריך יום רביעי, 19 בספטמבר 2012 11:50:56 UTC+3, מאת Dan Katorza:
> בתאריך יום רביעי, 19 בספטמבר 2012 11:14:29 UTC+3, מאת Chris Angelico:
> 
> > On Wed, Sep 19, 2012 at 5:41 PM, Dan Katorza <dkatorza@gmail.com> wrote:
> 
> > 
> 
> > >
> 
> > 
> 
> > > Hello again,
> 
> > 
> 
> > > I have another question and i hope you will understand me..
> 
> > 
> 
> > > Is there any option where you can set the program to go back to lets say the top of the code?
> 
> > 
> 
> > > I mean if the program finished the operation and i want to stay in the program and go back ro the start.
> 
> > 
> 
> > > after any operation i want the option to do it again , go back to the main menu or full exit from the program, and i want it every time.
> 
> > 
> 
> > >
> 
> > 
> 
> > > i hope i'm clear :)
> 
> > 
> 
> > 
> 
> > 
> 
> > Yep! Look up the docs and tutorial on "control flow" and "looping
> 
> > 
> 
> > constructs". Sounds like what you want here is a 'while' loop.
> 
> > 
> 
> > 
> 
> > 
> 
> > ChrisA
> 
> 
> 
> Hi Chris,
> 
> this is my code:
> 
> 
> 
> #!/usr/bin/env python
> 
> #Get the IP Address
> 
> 
> 
> import sys, socket
> 
> 
> 
> print ("\n\n#########################################################")
> 
> print ("#                Get IP from Host v 1.0                 #")
> 
> print ("#########################################################")
> 
> print ("#             Choose from the options below             #")
> 
> print ("#          1- url , 2-File(Text file only.txt)          #")
> 
> print ("#########################################################\n")
> 
> 
> 
> mchoice = int(raw_input("Please enter your choice> "))
> 
> while mchoice !=1 and  mchoice !=2:
> 
>     print("{0} is not a menu option.".format(mchoice))
> 
>     mchoice = int(raw_input("Please try again> "))
> 
> 
> 
> 
> 
> if mchoice == 2:
> 
>   filename = raw_input("Hello, please enter file name here> ")
> 
>   if filename.endswith(".txt"):
> 
> 
> 
>    try:
> 
>     infile = open(filename)
> 
>    except EnvironmentError as e:
> 
>     print(e)
> 
>     sys.exit(1)
> 
> 
> 
>    print("\nFile {0} exists!".format(filename))
> 
>    print("\nGetting IP addresses for hosts")
> 
>    print("\n")
> 
>   else:
> 
>        print("{0} is not a Text file.".format(filename))
> 
>        sys.exit(1)
> 
>   for line in infile:
> 
>     hostname = line.strip()
> 
>     try:
> 
>         ip_address = socket.gethostbyname(hostname)
> 
>     except EnvironmentError as e:
> 
>         print("Couldn't find IP address for {0}: {1}".format(hostname, e))
> 
>         continue
> 
>     print("IP address for {0} is {1}.".format(hostname, ip_address))
> 
>   else:
> 
>     print ("\nFinished the operation")
> 
> 
> 
> if mchoice == 1:
> 
>   murl = raw_input("Enter URL here> ")
> 
>   try:
> 
>       print("Checking URL...")
> 
>       ip_address = socket.gethostbyname(murl)
> 
>   except EnvironmentError as d:
> 
>       print(d)
> 
>       sys.exit(1)
> 
>   print("Valid URL")
> 
>   print("\nIP address for {0} is {1}.".format(murl, ip_address))
> 
>   print ("\nFinished the operation")
> 
> =====================================================================
> 
> 
> 
> now where it says Finsihed the operation i want it to show (another search /main menu/exit program)
> 
> 
> 
> i know about the while loop , but forgive me i just don't have a clue how to use it for this situation.
> 
> 
> 
> i don't want you to give me the code:) just the idea.
> 
> i did read the section about the while loop but still i do not know how to use it in this situation.
> 
> thanks.

o.k a giant while loop :)
thanks.

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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

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