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getch();return 0;

}/*4)

To access information from the file declared in above example and display it using open() and close() function*/#include#includeint main(){

clrscr();char msg[10];ifstream obj1;obj1.open("abc.dat");obj1>>msg;

cout

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}

/*6)To demonstrate the operation of ios:: app mode*/

#include#includeint main(){

char name[20];int rollno;ofstream obj1;obj1.open("ccc.dat",ios::app);clrscr();cout

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return 0;}

/*8)

To demonstrate the use of get () and put () functions*/#include#include#includechar name[] = "WELCOME";int main(){

ofstream obj1("xxx.txt");int i;for(i=0; i

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obj.close();obj.open("yyy.dat", ios::in);obj.get(name, 10, '#');cout

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{cin>>list1[i];obj.write((char*)&list1[i],sizeof(list1[i] ));

}obj.close();

int list2[5];obj.open("eee.dat", ios::in);cout

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cout

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cout

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emp[i].getdata();obj.write((char*)&emp[i], sizeof(emp[i]));

}obj.close();obj.open("eee.dat", ios::in);

cout