[Tutor] Performing an union of two files containing keywords

[Mark Lawrence]

On 17/02/2014 09:07, Aaron Misquith wrote:
> I have 2 different text files.
>
> File1.txt contains:
>
> |file
> RAM
> Python
> parser|
>
> File2.txt contains:
>
> |file
> 1234
> program|
>
> I want to perform an union of these both files such that i get an output
> file3.txt which contains:
>
> |file
> RAM
> Python
> parser
> 1234
> program
> |
> The program that i'm working on just combines two files. Any help on
> performing an union such that a keyword would not be repeated would be
> appreciated.
>
>
> Code:
> with open("C:\\File1.txt") as fin1: lines = fin1.readlines()
> with open("C:\\File2.txt") as fin2: lines.extend(fin2.readlines())
> with open("D:\\file3.txt", "r+") as fout: fout.write('\n'.join(lines))
>

Use sets http://docs.python.org/3/library/stdtypes.html#set

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence

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