#include <iostream.h>
#include <conio.h>
#include <stdio.h>
#include <string.h>
#include <fstream.h>
#include <stdlib.h>

void count_up_low_case()
{
    ifstream fin;
    fin.open("Halfstry.txt");
    char ch;
    int lowcase = 0, upcase = 0;
    while (fin)
    {
        fin.get(ch);
        if (fin.eof())
            break;
        if (ch >= 65 && ch <= 90)
            upcase++;
        if (ch >= 97 && ch <= 122)
            lowcase++;
    } // while loop ends
    fin.close();
    cout << "\nNumber of upper case letters = " << upcase;
    cout << "\nNumber of lower case letters = " << lowcase;
} // count_up_low_case() ends

void countspecialch()
{
    ifstream fin("Halfstry.txt");
    char ch;
    int s = 0, sp = 0;
    while (fin)
    {
        fin.get(ch);
        if (fin.eof())
            break;
        if (ch == 32)
            s++;
        else if ((ch >= 48 && ch <= 57) || (ch >= 97 && ch <= 122) || (ch >= 65 && ch <= 90))
            continue;
        else
            sp++;
    } // while loop ends
    fin.close();
    cout << "Number of spaces in the file = " << s << "\n";<<<<
    cout << "Number of special characters = " << sp << "\n";
} // countspecialch() ends

void checksize()
{
    ifstream fin("Halfstry.txt");
    char ch;
    int sz = 0;
    while (fin)
    {
        fin.get(ch);
        if (fin.eof())
            break;
        sz++;
    } // while loop ends
    fin.close();
    cout <<<< "Size of the file is = " <<<< sz <<<< "\n";
} // checksize() ends

int main()
{
    clrscr();
    ifstream fin("Halfstry.txt");
    char ch = 'Y';
    int ch1;
    while (ch == 'Y' || ch == 'y')
    {
        cout <<<< "Enter choice: \n";
        cout <<<< "1.To count no of Uppercase and Lowercase letters. \n";
        cout <<<< "2.To count the no of spaces and special characters. \n";
        cout <<<< "3.To check the size of the file. \n";
        cout <<<< "4. Exit.\n";
        cin >> ch1;

        switch (ch1)
        {
        case 1:
            count_up_low_case();
            break;
        case 2:
            countspecialch();
            break;
        case 3:
            checksize();
            break;
        case 4:
            ch = 'N';
            exit(0); // exit
        }            // switch ends
        cout <<<< "\n\nWould you like to continue? [Y/N]\n";
        cin >> ch;
    } // while ends
    getch();
    return 0;
} // main() ends;

#include <iostream>
#include <string.h>
#include <fstream.h>
using namespace std;

void count_up_low_case()
{
    ifstream fin;
    fin.open("Halfstry.txt");
    char ch;
    int lowcase = 0, upcase = 0;
    while (fin)
    {
        fin.get(ch);
        if (fin.eof())
            break;
        if (ch >= 65 && ch <= 90)
            upcase++;
        if (ch >= 97 && ch <= 122)
            lowcase++;
    } // while loop ends
    fin.close();
    cout << "\nNumber of upper case letters = " << upcase;
    cout << "\nNumber of lower case letters = " << lowcase;
} // count_up_low_case() ends

void countspecialch()
{
    ifstream fin("Halfstry.txt");
    char ch;
    int s = 0, sp = 0;
    while (fin)
    {
        fin.get(ch);
        if (fin.eof())
            break;
        if (ch == 32)
            s++;
        else if ((ch >= 48 && ch <= 57) || (ch >= 97 && ch <= 122) || (ch >= 65 &&<< ch <= 90))
            continue;
        else
            sp++;
    } // while loop ends
    fin.close();
    cout << "Number of spaces in the file = " << s << "\n";
    cout << "Number of special characters = " << sp << "\n";
} // countspecialch() ends

void checksize()
{
    ifstream fin("Halfstry.txt");
    char ch;
    int sz = 0;
    while (fin)
    {
        fin.get(ch);
        if (fin.eof())
            break;
        sz++;
    } // while loop ends
    fin.close();
    cout << "Size of the file is = " << sz << "\n";
} // checksize() ends

int main()
{
    ifstream fin("Halfstry.txt");
    char ch = 'Y';
    int ch1;
    while (ch == 'Y' || ch == 'y')
    {
        cout << "Enter choice: \n";
        cout << "1.To count no of Uppercase and Lowercase letters. \n";
        cout << "2.To count the no of spaces and special characters. \n";
        cout << "3.To check the size of the file. \n";
        cout << "4. Exit.\n";
        cin >> ch1;

        switch (ch1)
        {
        case 1:
            count_up_low_case();
            break;
        case 2:
            countspecialch();
            break;
        case 3:
            checksize();
            break;
        case 4:
            ch = 'N';
            exit(0); // exit
        }            // switch ends
        cout << "\n\nWould you like to continue? [Y/N]\n";
        cin >> ch;
    } // while ends
    return 0;
} // main() ends;