%{ #include<stdio.h> %} %% [A-Z]+[\t\n ] { printf("%s",yytext); } . ; %% main( ) { printf("Enter some string with capital words in between\n"); yylex(); } int yywrap( ) { return 1; }
Standard input is empty
Standard output is empty
ERROR: /home/YWAhxi/prog:2:9: Syntax error: Operator expected ERROR: /home/YWAhxi/prog:19:0: Syntax error: Unexpected end of file ERROR: '$runtoplevel'/0: Undefined procedure: program/0 Exception: (3) program ? EOF: exit