plz now i have a text and containing some data i need to make a check on this text to c if there is any type of repeated data to make it easier u can say the text file contains :
99100
101
102
103
99
99
100
101
102
103
100
now need to make check to c the repeated data and remove it so the text file will be as next :
99100
101
102
103
and no repeated data so may some one help me how can i do that ?!