4. Write a program in C++ to read a file and to transfer the contents of the file to the printer with the line numbers. For example, 1 this is a test 2 program 3 ------- 4 ------- 5. Write a program in...

4. Write a program in C++ to read a file and to transfer the contents of the file to the printer with the line numbers.

For example,

1 this is a test

2 program

3 -------

4 -------

5. Write a program in C++ to read students’ record such as name, sex, roll number, height, and weight from the specified file and to display in a sorted order (name is the key for sorting).