#!/bin/bash
if [ "$#" \!= 3 ]; then echo "Usage: $0 [from] [on term] [to]"; exit -1; fi
echo -n "Type message here: "; read msg
echo -n "r00t's "; su -c "for term in `w -hfs $3|cut -c10-16|tr -d '\n'`; do echo -ne \"\r\nMessage from $1@`uname -n` on $2 at `date +%H:%M` ...\r\n$msg\r\nEOF\r\n\" > /dev/\$term; done"