%{ 
#include <stdio.h> 
 
extern FILE *yyin; 
%} 
 
%% 
 
"<"[^>]+> { printf("%s\n", yytext); }  /* Print any text enclosed in < > 
*/ 
. ;      
 
%% 
 
int yywrap() { 
    return 1;  
} 
 
int main(int argc, char *argv[]) {     // Open tags.txt in read mode     FILE *file = fopen("tags.txt", "r");     if (!file) { 
        perror("Error opening file"); 
        return 1; 
    } 
    yyin = file; 
 
    yylex(); 
 
    fclose(file); 
    return 0; 
} 
 
 
 
 

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