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VSMechatronics/LC18/FileSize/filesize.c

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#include <stdio.h>
#include <stdlib.h>
/* Example 3 - jumping & getting element count */
int main()
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{
long FileBytes;
FILE *fptr;
/* Open the file from example 1 */
fptr = fopen ("data.dat","rb");
if ( fptr == NULL )
{
printf ("\nError opening input file - aborting ");
exit (0);
}
/* Move to the end of file */
fseek (fptr, 0, SEEK_END);
/* Get the byte size */
FileBytes = ftell(fptr);
/* Convert to size based on fact all int's */
FileBytes = FileBytes / sizeof(int);
/* Display the read value */
printf ("No. of items in file is %ld\n",FileBytes);
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/* And close */
fclose (fptr);
/* All Done */
return 0;
}