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#include<iostream>
#include<fstream>
#include<cstring>
using namespace std;
int main()
{
static int totrec=0; //totrec variable keep track for total variable entered
{ //Initially Record scanned are Zero void main()
int choice;
char name[100];
while(true)
{
cout<<"\n\n\nChoose your choice\nNOTE : one choice for one record(except viewing data)\n";
cout<<"1) Scanning intial records\n";
cout<<"2) Add records\n";
cout<<"3) Modifying or append records\n";
cout<<"4) View records\n";
cout<<"5) Search Record\n";
cout<<"6) Delete Record\n";
cout<<"0) Exit\n";
cout<<"Enter your choice : ";
cin>>choice;
while(choice<0&&choice>5)
{
cout<<"\nInvalid Choice\nTRY AGAIN\n"<<endl;
cin>>choice;
}
while(!cin&&cin.fail())
{
cout<<"\nInvalid Choice\nTRY AGAIN\n"<<endl;
cin.clear(); // clear the error
// clear the input stream
cin.ignore(10000,'\n');
cin>>choice;
}
switch(choice)
{
case 1: //Scanning intial records
{
ofstream outfile;
outfile.open("emp.txt",ios::out);
cout<<"\n\nPlease enter the details as per demanded\n";
cout<<"\nEnter the name : ";
cin.ignore();
cin.getline(name, 100);
outfile<<name<<endl;
cout<<"Enter Age : ";
int age;
cin>>age;
outfile<<age<<endl;
int id;
cout<<"ID Number : ";
cin>>id;
outfile<<id<<endl;
cin.ignore();
totrec= totrec + 1;
outfile.close();
}
break;
case 2: //Appending records;
{
ofstream outfile;
outfile.open("emp.txt",ios::app);
cout<<"\n\nPlease enter the details as per demanded\n";
cout<<"\nEnter the name : ";
cin.ignore();
cin.getline(name, 100);
outfile<<name<<endl;
cout<<"Enter Age : ";
int age;
cin>>age;
outfile<<age<<endl;
string id;
cout<<"ID Number : ";
cin>>id;
outfile<<id<<endl;
totrec = totrec + 1;
outfile.close();
}
break;
case 3: //Modifying or append records
{
ofstream outfile;
outfile.open("emp.txt",ios::ate);
cout<<"Are you interested in adding record\nenter y or n\n";
char ans;
cin>>ans;
if(ans=='y' || ans=='Y')
{
cout<<"\n\nPlease enter the details as per demanded\n";
cout<<"\nEnter the name : ";
char name[20];
cin>>name;
outfile<<name<<endl;
cout<<"Enter Age : ";
int age;
cin>>age;
outfile<<age<<endl;
string id;
cout<<"ID Number : ";
cin>>id;
outfile<<id<<endl;
cin.ignore();
totrec = totrec + 1;
}
outfile.close();
}
break;
case 4: //Viewing records
{
ifstream infile;
infile.open("emp.txt",ios::in);
const int size=80;
char line[size];
int counter=totrec;
while(counter > 0)
{
infile.getline(line,size);
cout<<"\n\nNAME : "<<line<<endl;
infile.getline(line,size);
cout<<"AGE : "<<line<<endl;
infile.getline(line,size);
cout<<"ID NUMBER: "<<line<<endl;
counter--;
}
infile.close();
}
break;
case 5: //search
{
char search[100];
int offset;
string line;
ifstream infile;
infile.open("emp.txt");
cout<<"Type the name you want to search"<<endl;
cin.ignore();
cin.getline(search, 100);
if(infile.is_open())
{
if(!infile.eof())
{
getline(infile,line);
if((offset=line.find(search, 0))!=string::npos)
{
cout<<search<<" has been found in the text file"<<endl;
}
else
{
cout<<"No results found!"<<endl;
}
}
infile.close();
}
else
cout<<"Could not open file"<<endl;
}
break;
case 6://delete
{
string line;
char deleteline[100];
ifstream stopword;
stopword.open("emp.txt");
if (stopword.is_open())
{
if ( getline (stopword,line) )
{
cout << line << endl;
}
stopword.close();
}
else cout << "Unable to open file";
ofstream temp;
temp.open("temp.txt");
cout << "Please input the stop-word you want to delete..\n ";
cin.ignore();
cin.getline(deleteline,100);
if (getline(stopword,line))
{
if (line != deleteline)
{
temp << line << endl;
}
}
temp.close();
stopword.close();
remove("emp.txt");
rename("temp.txt","emp.txt");
cout <<endl<<endl<<endl;
}
break;
case 0 :
{
return 0;
}
default : cout<<"\nInvalid Choice\nTRY AGAIN\n";
}
}
}
}
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