LABMST.cpp

#include<iostream>
#include<string.h>
#include<stdio.h>
#include<cstdlib>
#include<fstream>
using namespace std;
char Namefile[30]   = "Name.txt";
//char ITfile[20]    = "IT.txt";
//char Adminfile[25] = "Admin.txt";
//char Prodfile[30]  = "Production.txt";
char Salesfile[30] = "Salary.txt";
class emp{
     //int empid;
     char name[30];
     //char address[60];
     int salary;
    // public:
     //     char dept[15];
     void get();
     char *getdept()
     {
         return dept;
     }
};
void emp::get()
{
     //cout<<"\n Enter Employee Id     :  ";
     //cin>>empid;
     cout<<"\n Enter Name            :  ";
     cin>>name;
     //cout<<"\n Enter Address         :  ";
    // cin>>address;
    // cout<<"\n Enter Department Name:(Admin/Sales/IT/Production)  :  ";
    // cin>>dept;
     cout<<"\n Enter Salary   :  ";
     cin>>salary;
}
void insert()
{
     emp e;
     ofstream fout; //ofstream is a class, fout is its object. It can be used only to write into the file
     //file is open in the binary, append and nocreate mode.
     fout.open("Name.txt",ios::in | ios::out | ios::binary | ios::app | ios::ate);
     if (fout.fail())
     {
          cout<<"\n Unable to Open the File!!!";
          goto err;
     }
     e.get(); // accepting the details from the user.
     fout.write((char *)&e,sizeof(e)); //writing into the file with fout object.
     if(fout.tellp()%sizeof(e)==0)
     {
          cout<<"\n Record Inserted !!!"<<endl;
     }
     else
     { cout<<"\n Insertion Failed !!!";
          goto err;
     }
     err:
          fout.close();
}
void sort() // This function will insert the record according to department in respective file.
{
     emp e;
     ofstream nme,sal; //all files have been created for writing mode.
     ifstream fin; // fin object belongs to the ifstream class, it is used to read the file contents only.
     nme.open(Namefile, ios::out | ios::binary | ios::app);
     sal.open(Salesfile, ios::out | ios::binary | ios::app);
     //pro.open(Prodfile, ios::out | ios::binary | ios::app);
     //it.open(ITfile, ios::out | ios::binary | ios::app);
     fin.open(empfile, ios::in | ios::binary);
     while(fin.read((char *)&e,sizeof(e))) //reading the file contents till it reaches end of file.
     {
          if(strcmp(e.getdept(),"Name")==0)
          {
               adm.write((char *)&e,sizeof(e));
               cout<<"\n Record Inserted into ADMIN File!!!";
          }
          else if(strcmp(e.getdept(),"Sales")==0)
          {
               sal.write((char *)&e,sizeof(e));
               cout<<"\n Record Inserted into SALES File!!!";
          }
          /*else if(strcmp(e.getdept(),"IT")==0)
          {
               it.write((char *)&e,sizeof(e));
               cout<<"\n Record Inserted into IT File!!!";
          }
          else if(strcmp(e.getdept(),"Production")==0)
          {
               pro.write((char *)&e,sizeof(e));
               cout<<"\n Record Inserted into Production File!!!";*/
          }
          else
               cout<<"\n Insert Correct Record!!!";
     }
     fin.close();
     nme.close();
     sal.close();
    // it.close();
     //pro.close();
}
int main()

{
    int n;
     cout<<"\n Enter No. of Records You Want? : ";
     cin>>n;
     for(int i=0; i<n; i++)
     {
          insert();
     }
     sort();
     return 0;
}