Given the availability of an ifstream object named input, write the other statements necessary to read an integer into a variabl
e datum that has already been declared from a file called rawdata. Assume that reading that one integer is the only operation you will carry out with this file. (Note: write just the statements, do not define a main function.)
ifstream objects maintain a filebuf object as their internal stream buffer, and perform operations like input/output on the available associated files.
In above statements.
input.open("rawdata");
The associated file named rawdata is opened.
input>>datum;
The integer from the file is read into already declared variable datum.
