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Date: Wed, 28 Mar 2012 11:49:26 -0700
From: Ethan Furman <ethan@stoneleaf.us>
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To: "Prasad, Ramit" <ramit.prasad@jpmorgan.com>
Subject: Re: "convert" string to bytes without changing data (encoding)
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Xref: csiph.com comp.lang.python:22308

Prasad, Ramit wrote:
>> You can read as bytes and decode as ASCII but ignoring the troublesome
>> non-text characters:
>>
>>>>> print(open('text.txt', 'br').read().decode('ascii', 'ignore'))
>> Das fr ASCII nicht benutzte Bit kann auch fr Fehlerkorrekturzwecke
>> (Parittsbit) auf den Kommunikationsleitungen oder fr andere
>> Steuerungsaufgaben verwendet werden. Heute wird es aber fast immer zur
>> Erweiterung von ASCII auf einen 8-Bit-Code verwendet. Diese
>> Erweiterungen sind mit dem ursprnglichen ASCII weitgehend kompatibel,
>> so dass alle im ASCII definierten Zeichen auch in den verschiedenen
>> Erweiterungen durch die gleichen Bitmuster kodiert werden. Die
>> einfachsten Erweiterungen sind Kodierungen mit sprachspezifischen
>> Zeichen, die nicht im lateinischen Grundalphabet enthalten sind.
>>
>> The paragraph is from the German Wikipedia on ASCII, in UTF-8.
> 
> I see no non-ASCII characters, not sure if that is because the source
> has none or something else.

The 'ignore' argument to .decode() caused all non-ascii characters to be 
removed.

~Ethan~