Ruby Scripting: Kill Process by Port

#!/Users/eberry/.asdf/shims/ruby # See https://www.devdungeon.com/content/enhanced-shell-scripting-ruby require "amazing_print" def echo_success(message, port, pid=nil) puts [ "👍🏻", port.to_s.yellow, pid.nil? ? nil : pid.to_s.cyan, message.to_s.white ].compact.join(" ") end def echo_failed(message, port, pid=nil) puts [ "👎🏻", port.to_s.yellow, pid.nil? ? nil : pid.to_s.cyan, message.to_s.red ].compact.join(" ") end ARGV.each { |arg| port = arg.chomp pid = `lsof -t -i tcp:#{port}`.chomp if pid.to_i > 0 _result = `sudo kill #{pid}` if $?.success? echo_success("killed", port, pid) else echo_failed("no such process", port, pid) end else echo_success("was not in use", port) end } if ARGV.empty? puts "Usage: ".yellow + "killports [PORT1] [PORT2] ..." end exit(0)