small type analog

type.cpp

#include <iostream>
#include <fstream>
#include <string.h> // strcat

using namespace std;

int main(){
    char name[100];
    char ch;
    
    for(;;){
    cout<<"enter filename: "; cin >> name;
    strcat(name, ".txt");
    ifstream infile(name);
    if(infile){
                      cout << "file opened!\n";
                      cout << infile.rdbuf();
                      cout << endl; }
    else{
         cout << "error opening file!\n"; }
    }                             
                   
    return 0;
}