Here is a File handling programme might be of your interest.
It contains a program that is given as command parameter the name of a text file, say, temp.dat. It will read each line of temp.dat and print out in correspondence the number of characters and words on that line. At the end it will print out the number of lines that were read....

#include <stdio.h>


int main (int argc, char *argv[]){
  FILE *fp;
  int nchars, nwords, nlines;
  int lastnblank; /* 0 iff the last character was a space */
  char c;


  if(argc!=2){
    printf("Usage: %s filename\n", argv[0]);
    exit(0);
  }
  if((fp=fopen(argv[1],"r"))==NULL){
    perror("fopen");
    exit(0);
  }
  nchars=nwords=nlines=lastnblank=0;
  while((c=getc(fp))!=EOF){
    nchars++;
    if (c=='\n'){
      if (lastnblank)
 nwords++;
      printf("words=%d, characters=%d\n", nwords, nchars);
      nchars=nwords=lastnblank=0;
      nlines++;
    }else{
      if (((c==' ')||(c=='\t'))&(lastnblank))
 nwords++;
      lastnblank=((c!=' ')&&(c!='\t'));
    }
  }
  printf("lines=%d\n", nlines);
  fclose(fp);
}

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