Programming

#include <iostream>
#include <fstream>

using namespace std;


int main()

{
ifstream fin;
char filename[50];
string searchword;
string s;
int count;

cout << "Enter filename (including .txt): ";
cin >> filename;

fin.open(filename);

// stores Search Word
string askforsearchword();
searchword = askforsearchword();

// ends program if no txt file is found
if (!fin.good())
{
cout << "File not found" << endl;
system("pause");
return 1;
}

while(!fin.eof())
{

// use getline to read entire line 

getline(fin, s);


int i, position;

//converts text to all lowercase

for (i=0; i<s.length();i++)
s[i]=tolower(s[i]);
for (i=0; i<searchword.length();i++)
searchword[i]=tolower(searchword[i]); 


position = s.find(searchword);


if (position != string :: npos)

{

cout << s << endl;

}


} 


fin.close();


cout << "End Of Search." << endl;

system("pause");
return 0;

}

//function to ask for search word.
string askforsearchword()
{
string search;
cout<< "Type in your Search Word: " << endl;
cin >> search;
return search;
}