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1

Hah. I did this by accident one time and was like "WTF just happened??"

Archie
– Archie

2019-09-26 16:13:19 +00:00
Commented Sep 26, 2019 at 16:13
1

Yep, I think that's kind of how I found about it too ... plus a few hours afterwards web searching for it. Perhaps that's how I end up writing this answer.

user3325563
– user3325563

2019-09-26 18:40:16 +00:00
Commented Sep 26, 2019 at 18:40
1

The code that implements this makes for some C programming fun: opensource.apple.com/source/bash/bash-86.1/bash-3.2/…

Archie
– Archie

2019-09-27 01:30:02 +00:00
Commented Sep 27, 2019 at 1:30

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