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Re:How is GNU `yes` so fast? by alkonaut on Tuesday June 13, 2017 @09:49AM (#14544658)
And the motivation: it's used as test inputs. Not sure I agree with completely destroying the readability of a perfectly readable file - but ok.
Re:How is GNU `yes` so fast? by acqq on Tuesday June 13, 2017 @02:58PM (#14547542)
The motivation, as far as I see, was only that it "may be used."

But see the post of belorn where he argues that the error handling seems to be good.