// COUNTS THE LINES, WORDS AND CHARACTERS IN A TEXT FILE

#include <stdio.h>
#define YES 1
#define NO  0

main(int argc, char *argv[]) {
  int c, nl, inword, es, uc;
  long    nc, nw, ns;
  char    *s;
  FILE    *fh;
  inword = NO;
  nc = nw = ns = nl = 0;
  fh = fopen( s = *++argv, "r" );
  if (fh == NULL)
    printf("File not found.");
  else {
	 while((c = getc(fh)) != EOF) {
      ++nc;
      if(c == '\n')
        ++nl;

      /* We are in whitespace, so reset the inside-a-word flag and if the
      previous char was a full stop and one before that not a capital,
      increment the sentence count and reset the end-of-sentence flag. */

	   if(c < 33) {
		  inword = NO;
	     if(es == YES && uc == NO) {
          ns++;
          es = NO;
        }
	   }

      /* Else we are inside a word, so, if the 'inword' flag is false, set
      it true and increment the number of words encountered. If we have
      reached the end of a sentence, set the 'end of sentence' flag. Else
      we are not at the end of a sentence yet, so if this letter is not
      upper case, clear the upper-case flag else set it. */

	   else {
        if(inword == NO) {
          inword = YES;
          ++nw;
        }
        if(c == '.' || c == '?' || c == '!')
          es = YES;
        else if(c < 'A' || c > 'Z')
          uc = NO;
        else
          uc = YES;
      }
	 }
	 printf("%s has %ld chars, %ld words, %ld sentences, %d lines\n",
             s, nc, nw, ns, nl);
	 printf("N§ of words per sentence = %d\n", nl = nw / ns);
	 fclose(fh);
  }
}

// LISA MORTON, CHAPMAN 106, SOUTHLANDS