On 17 February 2014 13:16, Dave Angel <da...@davea.name> wrote:
> On 02/17/2014 06:12 AM, Oscar Benjamin wrote:
>>
>> Something like this:
>>
>> with open(r'D:\file3.txt', 'r+') as fout:
>> keywords_seen = set()
>> for filename in r'C:\File1.txt', r'C:\File2.txt':
>> with open(filename) as fin:
>> for line in fin:
>> keyword = line.strip()
>> if keyword not in keywords_seen:
>> fout.write(line)
>> keywords.add(keyword)
The line above should obviously be keywords_seen.add(keyword)
> You forgot to append the newline to strings in the write() method calls.
>
> fout.write(line + "\n")
Iterating over a file keeps the newlines:
>>> list(open('file1.txt'))
['file1\n', 'file2\n']
Oscar
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