Update readme.

README.md

@@ -22,15 +22,29 @@ cat ./spam/example_spam1.txt | ./isspam
 ```
 ## Example output
 ```
-File: ./not_spam/not_spam1.txt
-Capitalized words: 1
-Sentences: 5
-Words: 52
-Numbers: 0
-Forbidden words: 0
-Word count per sentence: 10
-
-Memory usage: 29 KB, 479 (re)allocated, 327 unqiue free'd, 0 in use.
+File: ./spam/example_spam3.txt
+Capitalized words: 39
+Sentences: 20
+Words: 420
+Numbers: 1
+Forbidden words: 15
+<0:recovery>
+<1:techie>
+<2:https>
+<3:digital>
+<4:hack>
+<5://>
+<6:com>
+<7:@>
+<8:crypto>
+<9:bitcoin>
+<10:whatsapp>
+<11:cryptocurrency>
+<12:stolen>
+<13:contact>
+<14:understanding>
+Word count per sentence: 21
+Memory usage: 1 MB, 6.460 (re)allocated, 4.222 unqiue free'd, 0 in use.
 ```
 ## Valgrind status
 Date: 2024-11-28

isspam.c

@@ -321,7 +321,7 @@ void analyze(FILE *f) {
     stra(all, sbuf);
     free(sbuf);
     strd(all);
-    ulonglong word_count_per_sentence = words->count / sentences->count;
+    ulonglong word_count_per_sentence = words->count / (sentences->count ? sentences->count : 1);
     printf("Word count per sentence: %llu\n", word_count_per_sentence);
 
     slf(capitalized_words);