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lengyijun/a.l

Created October 24, 2017 15:25
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flex get start!!
Raw
a.l
%{
#include<stdio.h>
#include<ctype.h>
#ifndef FALSE
#define FALSE
#endif
#ifndef TRUE
#define TRUE
#endif
%}
%%
[A-Z] {putchar(tolower(yytext[0]));}
%%
void main(void){yylex();}
@lengyijun
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flex a.l
gcc lex.yy.c -lfl
cat a.log | ./a.out

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