How to Link the List Input Stream on C++

C++ is a programming language for writing computer programs. Input streams constitute any type of data entered to the program by a user either from the keyboard or a file. A list is the set of records that typically comes from a file in the text format. To work with input data from the list, you need to link them to a C++ variable within the program.

Instructions

1. Include the library to handle input stream lists from files in your C++ program using the following command:
   "#include <fstream>"

2. Open the file using the command:

   " std::ifstream fileInput("file.txt");"

   Note that "file.txt" is the name of the file that contains a list to be linked.

3. Read data from the file line by line using the loop "while" in your C++ program:
   "while (std::getline (fileInput,line)"

4. Link the list data to a variable "records" in your program:
   "double records = line;"
   Note that the keyword "double" indicates in C++ numbers of the real type, for example "45.3."

Tips & Warnings

• A C++ program is a text file that contains a set of commands in a certain order.

References

• Harvey Mudd College: C++ File Input/Output
• "C++ Programming"; Larry Ullman; 2006
• CPP Tutorial: Ifstream