Read and write array into file : File Write « File « C / ANSI-C

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C / ANSI-C » File » File WriteScreenshots 
Read and write array into file

#include <stdio.h>
#include <stdlib.h>

int main(void)
{
  FILE *fp;
  float floatValue[51.1F2.2F3.3F4.4F5.5F };
  int i;

  if((fp=fopen("test""wb"))==NULL) {
    printf("Cannot open file.\n");
  }

  if(fwrite(floatValue, sizeof(float)5, fp!= 5)
    printf("File read error.");
  fclose(fp);

  /* read the values */
  if((fp=fopen("test""rb"))==NULL) {
    printf("Cannot open file.\n");
  }

  if(fread(floatValue, sizeof(float)5, fp!= 5) {
    if(feof(fp))
       printf("Premature end of file.");
    else
       printf("File read error.");
  }
  fclose(fp);

  for(i=0; i<5; i++)
    printf("%f ", floatValue[i]);

  return 0;
}

           
       
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