C program to display employee details in the order of salary from file employee.txt which store employee name, id and salary

C program to display employee details in the order of salary from file employee.txt which store employee name, id and salary

C Source Code: Sorting Employee Records On The Basis of Salary

#include<stdio.h>


typedef struct
{
 char name[30];
 int id;
 int salary;
}employee;

int main()
{
 int n,i,j;
 FILE *fptr;
 employee e[10], temp;

 /* Reading file in binary read mode */
 fptr = fopen("employee.txt","rb");
 if(fptr == NULL)
 {
  printf("File error!");
  exit(1);
 }
 printf("Enter how many records:\n");
 scanf("%d",&n);

 /* Reading from file and storing them in structure array */
 for(i=0;i < n;i++)
 {
  fread(&e[i],sizeof(e[i]),1, fptr);
 }
 /* Sorting */
 for(i=0;i< n-1;i++)
 {
  for(j=i+1;j< n;j++)
  {
   if(e[i].salary>e[j].salary)
   {
    temp = e[i];
    e[i] = e[j];
    e[j] = temp;
   }
  }
 }
 /* Displaying sorted list */
 for(i=0;i< n;i++)
 {
  printf("Name = %s\tId = %d\tSalary = %d\n",e[i].name, e[i].id, e[i].salary);
 }
 fclose(fptr);

 return 0;
}