#!/bin/zsh
for host in gauss neumann emo wu ; do
    print $host
    if ping6 -c 1 -W 2 $host.gaf.fs.lmu.de >/dev/null ; then
	ssh $host /usr/local/bin/w
    else
	print 'down'
    fi | sed -e '/^ /,$d' -e 's:^:\t:'
done