Hi, Can You correct my Looping mistakes ? And my program won't run first part of the coding.


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Last edited on
What do you mean, you can't run it?

Can you please explain what behaviour you're seeing?
Line : 20 (cin>>choice) is probably the error because its a string. You can't get input of string with cin right?
@ShankRam
You can. It will just crash if the user enters more than one char.

@Fadgo
I can run it without problems.
I modified it a bit.
1. I changed the condition for if file is open. To make it readable.
2. move myfile.close() thingy inside the file is open condition.
3. Make a function for clearscreen and pause run to make it easy to modify
4. Make the output fstream / ofstream myfile2. It is used to output and/or append the inputted data of the user.
5. I hope it is useful. Refactor it. Make your condition more precise and short.

Remember:
K-eep
I-t
S-hort and
S-imple

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#include <iostream>
#include <cstdlib>
#include <fstream>
using namespace std;

void clearScreen(void)
{
    system("CLS");
}

void pauseRun()
{
    system("PAUSE");
}

int main(void)
{
    while(1)
    {
        char choice[2];

        cout <<":: Arcade Menu::\n\n"
	    <<"1. Option 1\n"
	    <<"2. Option 2\n"
	    <<"3. Exit Program\n\n"
	    <<"Choice:  ";
	cin >> choice;

        if(choice[0] == '1')
        {
            clearScreen();
            ifstream myfile;
	    string name;
	    double salary, mcn ;

	    cout<<" Option 1\n\n";
	    myfile.open("salaryOutput.txt", fstream::in);
	    if(myfile.is_open())
            {
                while(!myfile.eof())
		{
		    myfile >> name >> mcn;

		    if(myfile.fail())
		        break;
		    else
		        cout << name << "   " << mcn << endl;
		}
                myfile.close();
            }
            else
            {
                cout<<"Unable to open file!";
            }

            ofstream myfile2;
	    myfile2.open("salaryOutput.txt", ofstream::app);
	    if(myfile2.is_open())
            {
                int i = 0;
		while(i < 5)
		{
	    	    cout << "Please enter name and member card number: ";
		    cin >> name >> mcn;
		    cout << "adding new record..." << endl;
		    myfile2 << name << "   " << mcn << endl;
		    i++;
		}
		cout << "Data Saved" << endl;
		myfile2.close();
            }
	    else
	    {
	        cout << "Unable to open in append mode!";
	    }
            system ("pause");
            clearScreen();
        }
        else if(choice [0] == '2')
        {
            clearScreen();
            cout << " Option 2\n\n";
            pauseRun();
            clearScreen();
        }
        else if(choice [0] == '3')
        {
            return 0;
        }
        else if (choice [0] > '3' || choice[0] <'1')
        {
            clearScreen();
            cout<<" Invalid Option\n\n";
            pauseRun();
            clearScreen();
        }
        else
        {
            clearScreen();
            cout<<"Invalid Option\n\n";
            pauseRun();
            clearScreen();
        }
    }
}
Last edited on
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