Computer Programming C Laboratory: File Operations C Programs

C Program to handle mixed data types

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C Programs using File Operations - THE fprintf & fscanf FUNCTIONS

*C Program to handle mixed data types */

#include <stdio.h>

#include <conio.h>

main()

{

FILE *fp;

int num, qty, i;

float price, value;

char filename [10];

printf("Input filename....");

scanf("%s", filename);

fp=fopen(filename, "w");

printf("\nInput inventory data");

printf("Item number price quantity \n");

for(i=1;i<= 2;i++)

{

fscanf(stdin, "%d %f%d", &num, & price, &qty);

fprintf(fp, "%d %f%d", num, price, qty);

}

fclose (fp);

fp=fopen(filename, "r");

printf("\nItem number price quantity value\n");

fflush(stdin);

fflush(stdout);

for(i=1;i<= 2;i++)

{

fscanf(fp, "%d %f%d", &num, & price, & qty);

value=price*qty;

fprintf(stdout, "%d\t%f\t%d\t%f\t\n", num, price, qty, value);

}

fclose(fp);

}

OUTPUT

Input filename...: vrb

Input inventory data Item number price quantity

1 10 10

2 20 20

Item number price quantity value

1 10 10 100

2 20 20 200

Computer Programming C Laboratory: File Operations C Programs : Tag: C Programming : - C Program to handle mixed data types

<< Previous

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