Read text file and save to binary file - C File

C examples for File:Text File

Description

Read text file and save to binary file

Demo Code

#include <stdio.h>

typedef struct partRecord {
   char partNum[7];
   char name[25];
   int amtInStock;
   double unitPrice;
} PartRecord;//from www .j av a2  s. c o  m

int main() {
   FILE *ftxt, *fbin;
   PartRecord part;

   if ((ftxt = fopen("parts.txt", "r")) == NULL) {
      printf("Cannot open parts file\n");
      return  -1;
   }

   if ((fbin = fopen("parts.bin", "wb")) == NULL) {
      printf("Cannot create file\n");
      return -1;
   }

   while (fscanf(ftxt, "%s %s %d %lf", part.partNum, part.name, &part.amtInStock, &part.unitPrice) == 4)
      if (fwrite(&part, sizeof(PartRecord), 1, fbin) != 1) {
         printf("Error in writing file\n");
         return -1;
      }

   fclose(ftxt);
   fclose(fbin);
}

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