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		watermelon0 on May 25, 2023 \| parent \| context \| favorite \| on: Cases where full scans are better than indexes Unrelated note intrigued me, so I went looking in the source code; detection is here: https://git.savannah.gnu.org/cgit/grep.git/tree/src/grep.c#n... Interesting that they would optimize for this use case.

remram on May 25, 2023 [–]

Especially since grep -q exists. It would never come to my mind to direct grep's output to /dev/null, I wonder how this optimization came to be?

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