gistfile1.txt

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

int main(int argc,char *argv[]) {
	int charcount = 0;
    float  timecount = 0;  /* number of characters seen */
    FILE           *in_file;    /* input file */

    /* character or EOF flag from input */
	float f1,f2;
    int             ch,l;
   	char linea[1000], extr[1000];

    in_file = fopen(argv[2], "r");
    if (in_file == NULL) {
        printf("Cannot open %s\n", argv[2]);
        exit(8);
    }
	
	while(fgets(linea, 1000, in_file) != NULL){
		l = strlen(linea);
		if(linea[l - 2] != '#'){
			sscanf(linea,"%f %f %s",&f1,&f2,extr);
			charcount += strlen(extr) - 1;
			timecount += f2 - f1;
		}
    }

	printf("charcount: %d\t timecount: %f\n",charcount,timecount);

    fclose(in_file);
    return (0);
}