1. 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

//Lex Program to Count the Number of Lines and Characters in the Input File
 
%{ #include<studio.h>
int n_char=0;
int n_lines=0;
%}

%%
\n {++n_lines, ++n_char;}
. ++n_char;

%%

int main(int argc[],char *argv[])
{
 yyin=fopen("abc.txt", "r"); 
 yylex();
 printf("n# of characters: %d",n_char);
 printf("\n");
 printf("n# of lines: %d",n_lines);
 printf("\n"); 
 return 0;
}
 
// file abc.txt 




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


 


// Output of the above program  


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

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