Random access in File Handling Using C++ Programming Language

Definition:

Random access means you can move to any part of a file and read or write data from it without having to read through the entire file.

ALGORITHM:

1. Start
2. Define class train
3. Read and print the train details using get() and print()
4. main()
5. Open file in write mode
6. If in==NULL. Print error in creating file otherwise goto 7
7. Call get()
8. Enter the data into the file
9. If the user wishes to continue repeat steps 7 and 8
10. Open the file in read mode
11. Enter the train no to be searched
12. Use seekg()
13. If found print train details
14. Close the file
15. Stop

Example:

We have to enter certain values here like train name, train no, starting place , ending place, date and time.

Input 1:

Vaigai Express , 020203 , Madurai , Chennai , 25/02/2021 , 09.15

Input 2:

Jan Shadabthi Express, 020204 , Coimbatore , Mayiladuthurai , 26/02/2021 , 03.45

Input 3:

Rockfort Express , 020205 , Trichy , Chennai , 27/02/2021 , 10.45

Input 4:

Tejas Express , 020206 , Madurai , Chennai , 28/02/2021 , 05.15

Now Do you want to continue (1/0)

1

Enter train No to be searched: 020204

Jan Shadabthi Express, 020204 , Coimbatore , Mayiladuthurai , 26/02/2021 , 03.45