Write a main function that performs the following operations: a.) Prompts the us

Question

Write a main function that performs the following operations:

a.) Prompts the user to input the names of 3 files: two input files and

an output file.

b.) Reads in the two input files line by line and compares the two

lines.

c.) For each line in the inputs, write to the output file the line number,

a colon (':'), and either "OK" if the lines match or "DIFF" if the lines

are different.

The input files may be of different lengths.

Note that:

- You will NEED to use the facilities presented in Chapter 10

(specifically, getline(...)) to complete this assignment. If you use the

>> operator, it will ignore leading whitespace (so your program will likely

incorrectly report " aa" and "aa" as being the same).

- Your program should be case-sensitive, so you do NOT need to worry

about converting text to lowercase or uppercase.

For example:

input1:

abc

def

g h i

input2:

abc

DEf

ghi

uub

output:

1:OK

2:DIFF

3:DIFF

4:DIFF

Explanation / Answer

#include<iostream>

#include<fstream>

using namespace std;

int main() {

string in1, in2, out;

cout<<"Enter 1st file name: ";

cin>>in1;

cout<<"Enter 2nd file name: ";

cin>>in2;

cout<<"Enter output file:";

cin>>out;

ofstream outfile;

outfile.open (out);

ifstream infile1, infile2;

infile1.open(in1);

infile2.open(in2);

int i=1;

while (!infile1.eof()) {

string s1,s2;

getline(infile1, s1);

getline(infile2, s2);

if(s1.compare(s2) == 0) {

outfile<<i<<":OK";

}else {

outfile<<i<<":DIFF";

}

i++;

}

return 0;

}

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