How to read data from file

[newbie1234]

i want to read data from file. I have test.txt. In this i have data

a:123
b:223
c:323

how can search 'b' and get the data 223 and so.

I found some where that i can go via getline and than tell and for data grabing seek.
but i do not know.how to use.

[tungnk1993]

You could read the link below to know how to input from file

http://www.cplusplus.com/doc/tutorial/files/

After that, you can input each line as a string then find for the character in the string

[newbie1234]

You could read the link below to know how to input from file

http://www.cplusplus.com/doc/tutorial/files/

After that, you can input each line as a string then find for the character in the string

Thanks a lot for your response.
I got my answer. Here it is

http://stackoverflow.com/questions/9410720/grab-the-detail-from-particular-location-from-file-in-c

[tungnk1993]

You're welcome. You can always learn more functions from cplusplus website, it's a very comprehensive site :)