A one-liner for freeing ports on OS X

TL;DR One of my most-frequently searched dev tasks over the course of my career thus far has been the “how do I find what process is on a port” to “how do I kill a given process” wombo-combo — there’s always some memory-leaky service running that ctrl + c isn’t tough enough for. Figured it’d be good to write a quick shell function for doing just this. Before I get into the explainer, here’s the code: function killport { echo '🚨 Killing all processes at port' $1 lsof -ti tcp: $1