Chris
Thank you for the info. I figure it out. But thank you again.
Ed
> On Jul 28, 2014, at 5:42 PM, Chris Kaynor <ckay...@zindagigames.com> wrote:
>
> On Mon, Jul 28, 2014 at 2:33 PM, Edward Manning <ejmmann...@gmail.com> wrote:
> I wrote this code, but it seem to work fine if I only have one ip in the
> file. When I have more than one IP in the file
> I get a error. Does anyone have an idea why.
>
> It would be helpful to know what the error you are getting is. It is also a
> good idea to generally provide the Python version and OS version with your
> messages, as they can often make a major difference. As it is, I've made my
> best guess below (in bold), I've also included some other notes that may
> cause issues, but I doubt are causing your error.
>
> import socket
>
>
> def main():
>
> # get file names
> infileName = input ("What file our the IP adderss in? ")
> outfileName = input("What file should the results go in?")
>
> # open files
> infile = open(infileName, "r")
> outfile = open(outfileName, "w")
>
> While this shouldn't cause the issue your reporting (without other issues
> going on), Its generally a better idea to use the with statement to open
> file, like so:
> with open(infileName, "r") as infile:
> # code that needs infile goes here.
>
> This will ensure that the file is closed when you are done with it, even if
> an error occurs in the code that may prevent the code from running to
> completion.
>
>
>
> #Proccess each line of the input file
>
> for line in infile:
> ipAddress = line.strip()
>
> I'm guessing that, when you only have one IP, you do not have a trailing
> new-line in the file, but when you put more than one in the file, you have a
> trailing new-line. You can try adding:
>
> if not ipAddress:
> continue
>
> here to ignore any empty lines (due to the line.strip() above, it will also
> ignore all white-space lines) you might get. This may be the cause of your
> error...
>
> resluts = socket.gethostbyaddr(ipAddress)
> print(resluts[0],resluts[2], end="")
>
> Note that this does not seem to be printing into outfile (its printing to
> stdout instead). I presume this is for debugging purposes.
>
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