first files :
customer, subscriber,cust_code,custplan,status,plan_rate,remaining_plan,quote
623192729079,510993192729079,19,22,0,90,282051608,
623192728769,510993192728769,19,22,0,210,84950715,
623192729901,510993192729901,19,70,0,82,
623192609007,510993192609007,19,70,0,85,
623416771429,510993416771429,19,1,0,95,
622319309157,510992319309157,19,22,0,30,
623192724581,510993192724581,19,75,0,4,
622319381619,510992319381619,19,70,0,5,
622198575655,510992198575655,19,1,0,5,
623192724589,510993192724589,19,70,0,6,
622743581281,510992743581281,19,71,0,8,

##</code><code>##

2nd files :
prod, subscriber,startdate,expdate,
SUPERG30^623192729079^20121225120308^20130124120308
SUPERM30^623192728769^20130105185053^20130204185053
SUPERB30^623192729901^20121209150053^20130108150053
SUPERC30^623192609007^20130102111208^20130201111208

##</code><code>##

config files :
ccode   prod,           custplan plan_rate new_plan
5	SUPERG30	22	90	100_1d_unlim
10	SUPERM30 	22	210	1g_15d_unlim
15	SUPERB30	70	82	700_30d_lim10
25	SUPERC30	70	85	1g_7d_lim5

##</code><code>##

expected results :

customer, subscriber,cust_code,ccode,status,new_lan,remaining_plan,quote,startdate,expdate
623192729079,510993192729079,19,5,0,100_1d_unlim,282051608,20121225120308,20130124120308,
623192728769,510993192728769,19,10,0,1g_15d_unlim,84950715,20130105185053,20130204185053,
623192729901,510993192729901,19,15,0,700_30d_lim10,,20121209150053,20130108150053,
623192609007,510993192609007,19,25,0,1g_7d_lim5,,20130102111208,20130201111208,
623416771429,510993416771429,19,1,0,unlim,,,,
622319309157,510992319309157,19,22,0,unlim,,,,
623192724581,510993192724581,19,75,0,unlim,,,,
622319381619,510992319381619,19,70,0,unlim,,,,
622198575655,510992198575655,19,1,0,unlim,,,,
623192724589,510993192724589,19,70,0,unlim,,,,
622743581281,510992743581281,19,71,0,unlim,,,,