busybox/examples/var_service/dhcp_if/convert2ntpconf

#!/bin/sh
# convert:

# dhcptype=5
# serverid=172.16.42.102
# lease=97200
# interface=eth0
# ip=172.16.42.177
# subnet=255.255.255.0
# mask=24
# broadcast=172.16.22.255
# router=172.16.42.98
# dns=10.34.32.125 10.32.63.5 10.34.255.7 10.11.255.27
# domain=lab.example.com example.com
# ntpsrv=10.34.32.125 10.34.255.7

# into:

#let cfg=cfg+1
#ntpip[$cfg]=...

exec >/dev/null
#exec >"$0.out"  # debug
exec 2>&1

test "$interface" || exit 1
test "$ip" || exit 1

{
for n in $ntpsrv; do
	echo "let cfg=cfg+1"
	echo "ntpip[\$cfg]='$n'"
done
} >"$1"