[issue23543] encoding error trying to save string to file

[Rosa Maria]

New submission from Rosa Maria:

I made a program to read which files are in a windows folder, and saves in a file in order to print it, but when it tries to write in a file the following error appears:   

UnicodeEncodeError: 'charmap' codec can't encode character '\u2010' in position 8: character maps to <undefined>

I extpected that being Python-3 an utf8 native, I do'n have this problems.

I send the Python script and some examples of files to read.
One of the failures example is the file named:

'LKC.6558‐100‐HD‐P‐101_C.xlsx\n'
which appears in windows as:
'LKC
6558
100
HD
P
101_C.xlsx\n'

----------
components: Unicode
files: Redear_Carpetotas.py
messages: 236841
nosy: Gravitania, ezio.melotti, haypo
priority: normal
severity: normal
status: open
title: encoding error trying to save string to file
type: crash
versions: Python 3.4
Added file: http://bugs.python.org/file38268/Redear_Carpetotas.py

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<http://bugs.python.org/issue23543>
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