#!/bin/bash SRC=$1 HOST=$2 DST=$3 connect () { socat -t0 - UDP4:$1:$DST,sourceport=$SRC } zzz () { connect kotnet-147.kulnet.kuleuven.be } zwizwa () { connect zwizwa.h1x.com } zorro () { connect c-76-20-190-44.hsd1.mi.comcast.net } $HOST