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As it happens, dash has been known to go back and forth on that (skipping the fork for the last command in inline script). ksh used to skip the fork even when there was a trap on EXIT installed which meant it was not run then.

Stéphane Chazelas
– Stéphane Chazelas

2024-01-10 13:15:43 +00:00
Commented Jan 10, 2024 at 13:15
1

Excellent answer, but I can't stand mentioning the Hyrum's law ;-)

kostix
– kostix

2024-01-11 15:45:59 +00:00
Commented Jan 11, 2024 at 15:45
@kostix While that's true (and we do try to avoid breaking those cases in kernel), it at least affords more freedom than making everything explicitly ABI :-)

Chris Down
– Chris Down

2024-01-11 22:12:22 +00:00
Commented Jan 11, 2024 at 22:12

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