%{ #include <stdio.h> %} %% [A-Z] { printf("Capital letter found: %c\n", yytext[0]); } .|\n { /* Ignore other characters */ } %% int main(int argc, char **argv) { yylex(); // Start scanning input return 0; }
Standard input is empty
Standard output is empty
ERROR: /home/Sr3Zet/prog:13:1: Syntax error: Unexpected end of file ERROR: '$runtoplevel'/0: Undefined procedure: program/0 Exception: (3) program ? EOF: exit