Question

Write a program that copies one file to another. Has the program to take the file names from the users? Has the program to refuse copy if there already is a file having the target name?

Answer 1

#include<iostream.h>

#include<conio.h>

#include<fstream>

#include<stdlib.h>

void main()  { 

 ofstream outfile;

ifstream infile;

char fname1[10],

fname2[20]; 

char ch,uch; 

 clrscr( );

cout<<"Enter a file name to be copied ";  

cin>> fname1; 

 cout<<"Enter new file name";  

cin>>fname2; 

 infile.open(fname1); 

if( infile.fail( ) )

{

cout<< " No such a file Exit";

getch();

exit(1);

}

outfile.open(fname2,ios::noreplace);

if(outfile.fail())

{

cout<<"File Already Exist"; 

getch(); exit(1);

}

else

{

while(!infile.eof( ))

{

ch = (char)infile.get( );

outfile.put(ch);

}

} 

 infile.close( ); 

 outfile.close( ); 

 getch( );

}