When you run a command or a script that runs for a long time, it may be helpful to have all its output prefixed with a timestamp. For example, we want to change this:
foo bar baz
[2020-12-13 12:20:38] foo [2020-12-13 12:21:32] bar [2020-12-13 12:22:20] baz
Here’s how you can do it.
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