chapter 12 C ++ TUTORIAL “CREATING FILE AND INPUT DATA IN A FILE”

FILE HANDLING:- file handling is an un manage resources of our application.

OPENING AND CLOSING OF A FILE : – The file name is a string of characters that make up a valid file name.for example the OPERATING SYSTEM it may contain two parts A primary name and an optical extension part. EXAMPLE void main( ){clrscr( ); ofstream file(“filename.dat”)         \\creating a file you can use any extention after file nameor ofstream file(“d:\filename.dat”)            \\creating a file you can use any extention after file nameint eid,sal;                                                    \\variable declaration char name[20]; cout<<"enter emp id :";cin>>eid;                                                 \\ input emp idcout<<"enter name:";gets(name);                                                \\input namecout<<"enter salary : ";cin>>Sal;                                                     \\input salaryfile& lt;& lt;& lt;file.close();                                    \\closing the file getch();}

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