Re: [PATCH 2/3] t: add "test-tool genbytes" to avoid slow tr(1) on macOS

Johannes Sixt [off-list ref] writes:

All cases that do not need a particular character can use

	printf %0.500d 0

I read this "printf is an easy and efficient way to create a long
sequence of bytes if you do not care what value these bytes have"
discussion and found it very illuminating (including the mention of
glitches that are platform specific).

Thanks.