3 # Valid environment variables to appear in a planetlab config file
4 TAGS='IP_METHOD HOST_NAME DOMAIN_NAME PROXY_SERVER
5 IP_ADDRESS IP_GATEWAY IP_NETMASK IP_NETADDR IP_BROADCASTADDR
6 IP_DNS1 IP_DNS2 PRIMARY_DEV PRIMARY_MAC'
8 # Valid characters that variable can be set to
9 CHARS='[:alnum:]\.: _-'
22 /bin/egrep "($REGEX)\=\\\"[$CHARS]*\\\"\s*$"