ass1/chris/sws1-s4109503-s4202015/exercise2/parsegenome.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 int main(int argc, char *argv[]){
   5         if(argc != 2){
   6                 printf("Not the right amount of arguments given");
   7                 return -1;
   8         }
   9   FILE *file = fopen(argv[1], "r");
  10         if(file == 0){
  11     return -1;
  12         }
  13         int a = 0;
  14         int c = 0;
  15         int g = 0;
  16         int t = 0;
  17         int amount_chars = 0;
  18         char x;
  19         while((x = fgetc (file) ) != EOF){
  20           switch(x){
  21                         case 'A':
  22                         a += 1;
  23                                 amount_chars += 1;
  24                                 break;
  25                         case 'C':
  26                 c += 1;
  27                                 amount_chars += 1;
  28                                 break;
  29                         case 'G':
  30                 g += 1;
  31                                 amount_chars += 1;
  32                                 break;
  33                         case 'T':
  34                 t += 1;
  35                                 amount_chars += 1;
  36                                 break;
  37                         case '\n':
  38                                 if(amount_chars % 100 != 0){
  39                                         printf("%i", amount_chars);
  40                                   printf("Not right format");
  41                                         return -1;
  42                                 }
  43                                 break;
  44                         default:
  45                                 return -1;
  46                         }
  47         }
  48         if(amount_chars != 50000){
  49                 return -1;
  50         }
  51         printf("There were %i A's, %i C's, %i G's, %i T's\n",a,c,g,t);
  52         return 0;
  53 }