C++ program to display the file by using command line of complier

#include<iostream>
#include<conio.h>
#include<process.h>
#include<fstream>

using namespace std;


int main(int a, char *b[])
{
    system("cls");

    char ch;

    ifstream add(b[1]);
    if(!add)
    {
        std::cout<<"File opening error"<<std::endl;
        getch();
        exit(0);
    }
    if(a != 2)
    {
        std::cout<<"Syntax error"<<std::endl;
        getch();
        exit(0);
    }
    while(add)
    {
        add.get(ch);
        std::cout<<ch;
    }

    getch();
    return 0;
}

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