ITEM NO:1 [aaa] 111 ffff [bbb] 222 [ccc] 333 #This not taken ITEM NO:2 [ddd] 444 [eee] 555 0000 [fff] 666 #This is not taken ITEM NO:3 [ddd1] 4441 [eee1] 5551 [fff1] 6661 # I am sanjay ITEM NO:4 ... ... ... Can't use an undefined value as an ARRAY reference at test1.pl line 12, chunk 1