To avoid any unwanted matches with grep (e.g. ports 1999 and 19999), use: $ lsof... | Hacker News

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		lma21 on April 25, 2023 \| parent \| context \| favorite \| on: Show HN: Killport – CLI tool to kill processes run... To avoid any unwanted matches with grep (e.g. ports 1999 and 19999), use: `$ lsof -i:$port \| grep LISTEN $ kill $pid`

addingnumbers on April 25, 2023 [–]

grep isn't necessary at all here:

  lsof -s TCP:LISTEN -i :$port

hdjjhhvvhga on April 25, 2023 | [–]

You could also add the -t option for direct piping to kill.

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