Date: Tue, 12 Jul 2022 09:08:42 +0100 From: Frank Leonhardt <freebsd-doc@fjl.co.uk> To: freebsd-questions@freebsd.org Subject: How do get elapsed time in milliseconds in a shell script? Message-ID: <4c98bb6d-a128-d10b-a896-6af11c06d41c@fjl.co.uk>
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I thought this would be easy, but it's not! I can get the time since the epoch to the nearest second (date +%s), but nothing more accurate. This was probably good enough in the 1970s but I think it's reasonable to want a better resolution even in a shell script. Yes, I could write something in 'C' in a few lines of 'C' but I want to do this using the base system and nothing else. Does anyone know of any reasonable trick? Thanks, Frank. (P.S. I know GNU has a %N extension to strftime())
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