Something

$cat xend-config.sxp | grep -v ^$ | grep -v ^#
(network-script network-bridge)
(vif-script vif-bridge)
(dom0-min-mem 196)
(dom0-cpus 0)


#network config: ----
kernel  = '/boot/vmlinuz-2.6.18-5-xen-686'
ramdisk = '/boot/initrd.img-2.6.18-5-xen-686'
memory  = '256'
root    = '/dev/sda1 ro'
disk    = [ 'phy:main/rigel-disk,sda1,w', 'phy:main/rigel-swap,sda2,w' ]
name    = 'rigel'
hostname = 'rigel'
vif = [' bridge=xen-br0' ]
ip="10.2.0.5"
netmask="255.255.255.224"
gateway="10.2.0.1"
on_poweroff = 'destroy'
on_reboot   = 'restart'
on_crash    = 'restart'