Lex Program to Count the Number of Lines and Characters in the Input File

//Lex Program to Count the Number of Lines and Characters in the Input File

 

%{ 

  #include<stdio.h>

  int no_of_char=0;

  int no_of_lines=0;

%}

%%

\n {++no_of_lines, ++no_of_char;}

. ++no_of_char;

%%

int main()

{

 yyin=fopen("abc.txt", "r"); 

 yylex();

 printf("n0 of characters: %d",no_of_char);

 printf("\n");

 printf("n0 of lines: %d",no_of_lines);

 printf("\n"); 

 return 0;

}

//abc.txt file

output: