4 ms·

Not sure why he didn't just give us kill -9 $(lsof -i :19421)

• sooheon 7y ago
  For the non bash users among us?
  • minusf 7y ago
    that works on all korn shell based posix shells.
  • mkl 7y ago
    There's nothing specifically bash about it, but here's what the components mean: "kill" = kill running process "-9" = kill as forcefully as possible "$(...)" = command substitution: run the stuff inside the brackets and replace this term with the results (it will be the processes to kill in this case). "lsof" = list open files (other things like ports and devices count as files on Unix systems) "-i" = search for internet address ":19421" = local machine, port 19421 I think they're missing a "-t" on lsof, to make it output process IDs only ("terse mode") instead of a human-readable table: kill -9 $(lsof -t -i :19421)
    • laumars 7y ago
      Is lsof part of the default install of OSX? It isn't usually part of the base install on Linux (though obviously very easy to install)
    • bzbarsky 7y ago
      That "command substitution" bit will fail on tcsh, say, last I checked.
    • guitarbill 7y ago
      although command substitution is in the POSIX sh spec and so not a bashism, $(...) doesn't work in e.g. fish