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Re:Show HN: A programmable tooltip on Mac OS by wjdp on Monday April 20, 2020 @11:05AM (#22924420)

    date -r 1577733633
    date: 1577733633: No such file or directory
...

   -r, --reference=FILE
          display the last modification time of FILE
...

Is OSX's date command different from Linux?

Re:Show HN: A programmable tooltip on Mac OS by wjdp on Monday April 20, 2020 @11:44AM (#22924904)
Found it, for GNU it's `date -d @1577733633`
Re:Show HN: A programmable tooltip on Mac OS by _nhynes on Monday April 20, 2020 @11:10AM (#22924486)
macOS has BSD date and Linux ships with GNU.