input output files

 #include<iostream>

#include<fstream>

#include<cstring>

using namespace std;

int main()

{

        ifstream sourcefile;

        ofstream targettedfile;

        char ch;

        string file1, file2,new1;

        cout<<"Enter source file name with extension (like files.txt) : ";

        cin>>file1;

        sourcefile.open(file1);

        if(!sourcefile)

        {

                cout<<"Error in opening source file..!!";

               

                exit(1);//wll terminate the program immediately after printing cout and wont execute code after this

        }

        cout<<"Enter target file name with extension (like filet.txt) : ";

        cin>>file2;

        targettedfile.open(file2,ios::app);

        if(!targettedfile)

        {

                cout<<"Error in opening target file..!!";

                sourcefile.close();

       

                exit(2);

        }

        while(sourcefile)

        {

                sourcefile.get(ch);

                targettedfile<<ch;

        }

        cout<<"File copied successfully..!!";

        sourcefile.close();

        targettedfile.close();

        return 0;

}

/*get will read character by character and fileobject>> will read everything as a word

if i use>> it will copy everything as a single word ignoring white spaces and new line*/