Write a Lex program to printout all HTML tags in file.

Code:

%{

%}

%%

[\<].*[\>] {fprintf(yyout,"Valid HTML tag: %s",yytext);};

%%

main()

{

yyin=fopen("input.txt","r");

yyout=fopen("output.txt","w");

yylex();

return 0;

}

int yywrap()

{

return 1;

}