program to read data stored in a datafile and print on screen using fread().

using codeblocks
---------------------------------------------------------------------------------------------------
 program to read data stored in a datafile and print on screen using fread()(previous question).
--------------------------------------------------------------------------------------------------------------
//program to store and read employee name and salary using fwrite()
#include <stdio.h>
#include <stdlib.h>
struct employee
{
    char name[50];
    float salary;
}var;
int main()
{
FILE *k;                                     //  pointer for file declaration
char choice;                                  //identifier declaration

printf('-----------------------');

printf("reading data\n");

k=fopen("employee.txt","r");//file opening

while((fread(&var,sizeof(var),1,k))==1)// fread() reads the records till it is true.

                                                                //As it becomes less than 1, it stops

{

    printf("salary=%f and name=%s\n",var.salary,var.name);//prints the struct value

}

fclose(k);                                                //closing of file.

getch();

return 0;

}

--------------------------------------------------------------------------------

using turboc++

-----------------------------------------------------------------------------------------------

//program to store and read employee name and salary using fwrite()
#include <stdio.h>
#include <stdlib.h>
struct employee
{
    char name[50];
    float salary;
}var;
int main()
{
FILE *k;                                     //  pointer for file declaration
char choice;                                  //identifier declaration

printf('-----------------------');

printf("reading data\n");

k=fopen("employee.txt","r");//file opening

while((fread(&var,sizeof(var),1,k))==1)// fread() reads the records till it is true.

                                                                //As it becomes less than 1, it stops

{

    printf("salary=%f and name=%s\n",var.salary,var.name);//prints the struct value

}

fclose(k);                                                //closing of file.

getch();

return 0;

}

//note: fread() does not accept EOF()/feof() function.

program to store/write employee name and salary in a datafile using fwrite()

using codeblocks
-------------------------------------------------------------------------------
//program to store employee name and salary using fwrite()
#include <stdio.h>
#include <stdlib.h>
struct employee
{
    char name[50];
    float salary;
}var;
int main()
{
FILE *k;                                                                    //  pointer for file declaration
char choice;                                                    //identifier declaration
                                                            //       "             "
k=fopen("employee.txt","w");//file opening
do
{
printf("\nenter salary\n");
scanf("%f",&var.salary);
printf("enter  name\n");           // getting inputs
scanf("%s",var.name);
fwrite(&var,sizeof(var),1,k); //writing data to data file
printf("want to continue (y/n):=");//prints message
choice=getche();                      //gets a character                                  //getting a character from user
}while(choice!='n');        //writing repeats as you enter 'y'                                    // validating the input
printf("\n writing process completed successfully\n");
fclose(k);                            //closing of file                                                            //closing data file
getch();
return 0;
}








//or
/*
//program to store employee name and salary using fwrite()
#include <stdio.h>
#include <stdlib.h>
struct employee
{
    char name[50];
    float salary;
}var;
int main()
{
FILE *k;                                                                    //  pointer for file declaration
char choice;                                                    //identifier declaration
                                                            //       "             "
k=fopen("employee.txt","w");//file opening
do
{
printf("\nenter salary\n");
scanf("%f",&var.salary);
printf("enter  name\n");           // getting inputs
scanf("%s",var.name);
fprintf(k,"%f %s\n",var.salary,var.name); //writing data to data file
printf("want to continue (y/n):=");//prints message
choice=getche();                      //gets a character                                  //getting a character from user
}while(choice!='n');        //writing repeats as you enter 'y'                                    // validating the input
printf("\n writing process completed successfully\n");
fclose(k);                            //closing of file                                                            //closing data file
getch();
return 0;
}
*/

-----------------------------------------------------------------

using turboc++

------------------------------------------------------------------------------------------

//program to store employee name and salary using fwrite()
#include <stdio.h>
#include <stdlib.h>
struct employee
{
    char name[50];
    float salary;
}var;
int main()
{
FILE *k;                                                                    //  pointer for file declaration
char choice;                                                    //identifier declaration
                                                            //       "             "
k=fopen("employee.txt","w");//file opening
do
{
printf("\nenter salary\n");
scanf("%f",&var.salary);
printf("enter  name\n");           // getting inputs
scanf("%s",var.name);
fwrite(&var,sizeof(var),1,k); //writing data to data file
printf("want to continue (y/n):=");//prints message
choice=getche();                      //gets a character                                  //getting a character from user
}while(choice!='n');        //writing repeats as you enter 'y'                                    // validating the input
printf("\n writing process completed successfully\n");
fclose(k);                            //closing of file                                                            //closing data file
getch();
return 0;
}








//or
/*
//program to store employee name and salary using fwrite()
#include <stdio.h>
#include <stdlib.h>
struct employee
{
    char name[50];
    float salary;
}var;
int main()
{
FILE *k;                                                                    //  pointer for file declaration
char choice;                                                    //identifier declaration
                                                            //       "             "
k=fopen("employee.txt","w");//file opening
do
{
printf("\nenter salary\n");
scanf("%f",&var.salary);
printf("enter  name\n");           // getting inputs
scanf("%s",var.name);
fprintf(k,"%f %s\n",var.salary,var.name); //writing data to data file
printf("want to continue (y/n):=");//prints message
choice=getche();                      //gets a character                                  //getting a character from user
}while(choice!='n');        //writing repeats as you enter 'y'                                    // validating the input
printf("\n writing process completed successfully\n");
fclose(k);                            //closing of file                                                            //closing data file
getch();
return 0;
}
*/