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Re: Creating a function for a directory

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On Tue, 12 Nov 2013 11:24:02 +0100, Peter Otten wrote:

> unknown wrote:
> 
>> On Mon, 11 Nov 2013 14:26:46 -0800, Matt wrote:
>> 
>>> So I want to take the file, "desktop/test.txt" and write it to
>>> "desktop/newfolder/test.txt". I tried the below script, and it gave
>>> me:
>>> "IOError: [Errno 2] No such file or directory: 'desktop/%s.txt'". Any
>>> suggestions would be great.
>>> 
>>> 
>>> 
>>> def firstdev(file):
>>> in_file = open("desktop/%s.txt") % file indata = in_file.read()
>>> out_file = open("desktop/newfolder/%s.txt", 'w') % file
>>> out_file.write(indata)
>>> out_file.close()
>>> in_file.close()
>>> 
>>> firstdev("test")
>> 
>> would it not be more efficient and less error prone to use the os
>> module to copy the file rather than manually reading & re-writing it
>> (unless of-
>> course you intend to expand this in future to process the data first)?
> 
> Hmm, I don't see a suitable function in os -- but there is
> 
> shutil.copy()

that's what i get for posting on the fly without checking first but i 
think the principle holds.

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Creating a function for a directory Matt <mattgraves7@gmail.com> - 2013-11-11 14:26 -0800
  Re: Creating a function for a directory Joel Goldstick <joel.goldstick@gmail.com> - 2013-11-11 17:36 -0500
  Re: Creating a function for a directory Chris Angelico <rosuav@gmail.com> - 2013-11-12 09:38 +1100
  Re: Creating a function for a directory bob gailer <bgailer@gmail.com> - 2013-11-11 17:42 -0500
  Re: Creating a function for a directory Joel Goldstick <joel.goldstick@gmail.com> - 2013-11-11 17:44 -0500
  Re: Creating a function for a directory Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-11-11 22:45 +0000
  Re: Creating a function for a directory Rick Johnson <rantingrickjohnson@gmail.com> - 2013-11-11 14:51 -0800
    Re: Creating a function for a directory Chris Angelico <rosuav@gmail.com> - 2013-11-12 10:11 +1100
      Re: Creating a function for a directory Rick Johnson <rantingrickjohnson@gmail.com> - 2013-11-11 21:42 -0800
        Re: Creating a function for a directory Chris Angelico <rosuav@gmail.com> - 2013-11-12 17:02 +1100
    Re: Creating a function for a directory Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-11-12 00:33 +0000
      Re: Creating a function for a directory Neil Cerutti <neilc@norwich.edu> - 2013-11-12 13:42 +0000
  Re: Creating a function for a directory Matt <mattgraves7@gmail.com> - 2013-11-11 15:05 -0800
  Re: Creating a function for a directory Chris Angelico <rosuav@gmail.com> - 2013-11-12 09:51 +1100
  Re: Creating a function for a directory unknown <unknown@unknown.com> - 2013-11-12 10:07 +0000
    Re: Creating a function for a directory Peter Otten <__peter__@web.de> - 2013-11-12 11:24 +0100
      Re: Creating a function for a directory unknown <unknown@unknown.com> - 2013-11-12 11:26 +0000

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