Code2

/**/
#include <iostream>
#include <cstring>
#include <iomanip>
#include <fstream>

using namespace std;

const int NO_OF_SONGS = 21;

struct songInfo
{
	char title[30];
	char artist[30];
	int durationMin = 0;
	int durationSec = 0;
	char album[30];
};

void addSong (songInfo list[], int listSize);
void removeSong (songInfo list[], int listSize);
void displayList (songInfo list[], int listSize);
void searchList (songInfo list[], int listSize);
void readList (ifstream& infile, songInfo list[], int listSize);
void printList (ofstream& outfile, songInfo list[], int listSize);

int main()
{
	songInfo trackListing[NO_OF_SONGS];

	char selection;

	cout << endl;
	cout << "*Music Track Database*" << endl;

	do
	{
	ifstream infile("songs.txt");
	ofstream outfile("songs.txt");

		if (!infile)
                	{
                        cout << "Cannot open file: songs.txt";
                	}

		cout << "Main Menu:" << endl;
		cout << endl;
		cout << "(a)dd a song" << endl;
		cout << "(r)emove a song" << endl;
		cout << "(d)isplay track listings" << endl;
		cout << "(s)earch for a track" << endl;
		cout << "(q)uit" << endl;
		cout << endl;
		cout << "Select (a, r, d, s, q): ";
		cin >> selection;
		cout << endl;

		if (selection != 'a' && selection != 'r' && selection != 'd' && selection != 's' && selection != 'q')
		{
			cout <<  "Select (a, r, d, s, q): ";
                	cin >> selection;
			cout << endl;
		}

		switch (selection)
		{
			case 'a':
				readList(infile, trackListing, NO_OF_SONGS);
				addSong(trackListing, NO_OF_SONGS);
				printList(outfile, trackListing, NO_OF_SONGS);
				break;
			case 'd':
				readList(infile, trackListing, NO_OF_SONGS);
				displayList(trackListing, NO_OF_SONGS);
				break;
			case 'r':
				removeSong(trackListing, NO_OF_SONGS);
                                printList(outfile, trackListing, NO_OF_SONGS);
				break;
			case 's':
				readList(infile, trackListing, NO_OF_SONGS);
				searchList(trackListing, NO_OF_SONGS);
				break;
		}
	}while (selection != 'q');

	cout << "Happy Trails To You; Until We Meet Again!" << endl;
	cout << endl;

	return 0;
}

void addSong (songInfo list[], int listSize)
	{
	int i;
			cout << "Add a Song" << endl;
			cout << endl;
			cout << "Enter Song Number in list: ";
                        cin >> i;
                        cout << endl;

			cout << "Enter Song Title: ";
			cin.ignore();
                	cin.get(list[i].title, 30);
			cout << endl;

			cout << "Enter Artist Name: ";
			cin.ignore();
			cin.get(list[i].artist, 30);
			cout << endl;

			cout << "Enter Track Duration: ";
			cout << endl;
			cout << "(Seperate mins & secs with a space.";
			cout << endl;
			cout << "ex: if 3:40, enter 3 40): ";
			cin >> list[i].durationMin >> list[i].durationSec;
			cout << endl;

			cout << "Enter Album Title: ";
			cin.ignore();
			cin.get(list[i].album, 30);
			cout << endl;
			cout << "Song Added to Database!";
			cout << endl;
			cout << endl;
	}

void readList (ifstream& infile, songInfo list[], int listSize)
	{
	int i;
	infile.open("songs.txt");
		while(infile)
		{
		for(i=1;i<listSize;i++)
			{
			infile.get(list[i].title, 30);
			infile.get(list[i].artist, 30);
			infile >> list[i].durationMin >> list[i].durationSec;
			infile.get(list[i].album, 30);
			}
		}
	infile.close();
	}
void printList (ofstream& outfile, songInfo list[], int listSize)
	{
	outfile.open("songs.txt");
	int i;
	for (i=1; i<listSize; i++)
		{
		outfile << left << setw(2) << i << left << setw(32) << list[i].title << ';' << left << setw(32) << list[i].artist << ';' << right << setw(4) << list[i].durationMin << ';' << left << setw(5) << list[i].durationSec << ';' << left << setw(32) << list[i].album << ';' << endl;
		}
	outfile.close();
	}
void removeSong (songInfo list[], int listSize)
	{
	int i=1;
	int e;
	cout << "Remove a Song" << endl;
	cout << "Enter Track Number to Confirm Deletion: ";
	cin >> e;
	cout << endl;

	for (i=1; i<listSize; i++)
		{
		if (e==i)
			{
			for(i=e; i<listSize; i++)
				{
				list[i] = list[i+1];
				}
			}
		}
	}
void displayList (songInfo list[], int listSize)
	{
	int i;
        cout << left << setw(14) << '#' << left << setw(21) << "Song Name" << left << setw(21) << "Artist Name" << left << setw(20) << "Duration" << left << setw(22) << "Album Title" << endl;
        cout << left << setw(110) << setfill ('-') << '-' << endl;
        cout << setfill (' ');
        for (i=1; i<listSize; i++)
                {
                cout << left << setw(2) << i << left << setw(32) << list[i].title << left << setw(32) << list[i].artist << right << setw(4) << list[i].durationMin << ':' << left << setw(5) << list[i].durationSec << left << setw(32) << list[i].album << endl;
                }
        cout << left << setw(110) << setfill ('-') << '-' << endl;
	cout << setfill (' ');
	}
void searchList (songInfo list[], int listSize)
	{
	char aOrB;
	int i = 1;
	char art[30];
	char alb[30];

	cout << "Search by (a)rtist or al(b)um? (a or b): ";
	cin >> aOrB;
	cout << endl;

	if (aOrB != 'a' && aOrB != 'b')
		{
		cout << "(a or b): ";
		cin >> aOrB;
		cout << endl;
		}
	if (aOrB == 'a')
		{
		cout << "Artist Name: ";
		cin.ignore();
		cin.get(art, 30);

		for(i=1; i<listSize; i++)
			{
			if (!strcmp(art, list[i].artist))
				{
				cout << left << setw(2) << i << left << setw(32) << list[i].title << left << setw(32) << list[i].artist << right << setw(4) << list[i].durationMin << ':' << left << setw(5) << list[i].durationSec << left << setw(32) << list[i].album << endl;
				}
			}
		}
	else
		{
		cout << "Album Name: ";
                cin.ignore();
		cin.get(alb, 30);

                for(i=1; i<listSize; i++)
                        {
                        if (!strcmp(alb, list[i].album))
                                {
                                cout << left << setw(2) << i << left << setw(32) << list[i].title << left << setw(32) << list[i].artist << right << setw(4) << list[i].durationMin << ':' << left << setw(5) << list[i].durationSec << left << setw(32) << list[i].album << endl;
                                }
			else
				cout << "Album not found" << endl;
                        }
                }
	}