#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#define NAME_LENGTH 10
void getGrades(FILE *ifp, int assigns, int stus, int grades[assigns][stus]);
void printGrades(int assigns, int stus, int grades[assigns][stus]);
int main(int argc, char *argv[])
{
int assigns = 0;
int stus = 0;
// command line arg. error checking
if (argc != 2)
{
printf("Syntax Error: ./<exec> <file>\n");
exit(1);
}
// file handle = open("infile.txt", read)
FILE *ifp = fopen(argv[1], "r");
if (ifp == NULL){
printf("Could not open %s for reading!\n", argv[1]);
exit(1);
}
fscanf(ifp, "%d%d", &assigns, &stus); // it does scan in 8 and 5 correctly
// print debugging check
// printf("assigns == %d\nstus == %d", assigns, stus);
int grades[assigns][stus];
getGrades(ifp, assigns, stus, grades);
printGrades(assigns, stus, grades);
return 0;
}
void getGrades(FILE *ifp, int assigns, int stus, int grades[assigns][stus])
{
int i = 0, j = 0;
// iterate through all of the rows & columns
for (i = 0; i < assigns; ++i){
for (j = 0; j < stus; ++j){
fscanf(ifp, "%d", &grades[i][j]);
}
}
}
void printGrades(int assigns, int stus, int grades[assigns][stus])
{
int i = 0, j = 0;
for (i = 0; i < assigns; ++i){
for (j = 0; j < stus; ++j){
printf("%10d", grades[i][j]);
}
printf("\n");
}
}
8 5 100 92 84 76 68 99 91 83 75 67 98 90 82 74 66 97 89 81 73 65 96 88 80 72 64 95 87 79 71 63 94 86 78 70 62 93 85 77 69 0
