It was fixed in Plan9, where programs return error strings, not numbers, the she... | Hacker News

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		4ad on Dec 9, 2011 \| parent \| context \| favorite \| on: Knuth and the Unix Way It was fixed in Plan9, where programs return error strings, not numbers, the shell (rc) is better and errors are not lost in pipelines. And UTF-8 was invented by Ken Thompson and Rob Pike while working on Plan9.

emmelaich on Dec 10, 2011 [–]

Yes, I'm aware of plan9. The 'what constitutes a word' and the error handling were and are the more interesting improvements.

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