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A comment on macOS command-line tools you might not know about. Parent comment

Re:macOS command-line tools you might not know about by derefr on Tuesday June 27, 2023 @12:17PM (#36494926)
If the command is meant to stream through something really fast by using a large buffer size, then prepending a cat(1) will limit the incoming buffer size to ~4k.
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Re:macOS command-line tools you might not know about by vram22 on Tuesday June 27, 2023 @07:19PM (#36500068)
Interesting.

Maybe use dd with one of its blocksize options, then?

Not at a terminal, can't check.

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