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classhash.cpp
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classhash.cpp
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#include<bits/stdc++.h>
#include "md5.h"
using namespace std ;
class Hash
{
public:
void calculateHash()
{ fstream file; //object of fstream class
char thing[1000];
//opening file "sample.txt" in out(write) mode
file.open("sample.txt",ios::out);
if(!file)
{
cout<<"Error in creating file!!!"<<endl;
}
cout<<"File created successfully."<<endl;
//write text into file
file<<"ABCD.";
//closing the file
file.close();
//again open file in read mode
file.open("sample.txt",ios::in);
if(!file)
{
cout<<"Error in opening file!!!"<<endl;
}
//read untill end of file is not found.
string ch; //to read single character
string str;
while(!file.eof())
{
file>>ch; //read single character from file
str.append(ch);
}
cout<<str<<"chck 2 "<<endl;
string st=md5(str);
file.close(); //close file
fstream fi; //object of fstream class
//opening file "sample.txt" in out(write) mode
fi.open("eii.txt",ios::out | ios::app);
if(!fi)
{
cout<<"Error in creating file!!!"<<endl;
}
cout<<"File created successfully."<<endl;
//write text into file
fi<< st;
//closing the file
fi.close();
}
};
int main()
{
Hash o1;
o1.calculateHash();
return 0;
}