Writing List To Text File

Question

This is the end of my code:

duplicates = [files for files in file_dict.values() if len(files) > 1]

dupString = str(duplicates)

text_file.write("\n\n\nDuplicates Files: \n\n" + (dupString))

The output in the txt file is:

[['/Users/simon/Desktop/aF/file1.py', '/Users/simon/Desktop/aF/hidden/file2.py', '/Users/simon/Desktop/aF/hidden/file3.py']]

I want the output to be:

/Users/simon/Desktop/aF/file1.py
/Users/simon/Desktop/aF/hidden/file2.py
/Users/simon/Desktop/aF/hidden/file3.py

How can I make this happen? I tried using ' '.join(dupString) and '\n'.join(dupString) but it just made the string values have spaces or new lines in which wasn't what I wanted.

No Inbar, I don't need the quotation marks, I'll edit my post. — BubbleMonster, Sep 15 '13 at 10:12

Inbar Rose · Accepted Answer · 2013-09-15T10:23:52.743

2

Okay, it is my understanding that:

duplicates = [files for files in file_dict.values() if len(files) > 1]

Returns a list of lists of files. Your example being this:

[['/Users/simon/Desktop/aF/file1.py', '/Users/simon/Desktop/aF/hidden/file2.py', '/Users/simon/Desktop/aF/hidden/file3.py']]

In which case, what you need to do is first change that to make only a list of strings, you can do that with itertools.chain.from_iterable

from itertools import chain
duplicates = chain.from_iterable([files for files in file_dict.values() if len(files) > 1])

Then it is just a matter of writing:

text_file.write("\n\n\nDuplicates Files: \n\n%s" % '\n'.join(duplicates))

edited Sep 15 '13 at 10:23

answered Sep 15 '13 at 10:18

Inbar Rose

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That does it. Perfect. Thank you Inbar. I will do some reading into the itertools chain module. – BubbleMonster Sep 15 '13 at 10:21
If you feel that my answer helped you, you could [Accept my Answer](http://meta.stackexchange.com/a/5235/192545). – Inbar Rose Sep 15 '13 at 10:22

Writing List To Text File

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