1/* Somewhat faster still: potentially match a lot of text with each rule */
2
3ws    [ \t]
4nonws [^ \t\n]
5word  {ws}*{nonws}+
6words {word}{ws}+
7
8%option main noyywrap
9%%
10	int cc = 0, wc = 0, lc = 0;
11
12{word}{ws}*		cc += yyleng; ++wc;
13{word}{ws}*\n		cc += yyleng; ++wc; ++lc;
14{words}{word}{ws}*	cc += yyleng; wc += 2;
15{words}{2}{word}{ws}*	cc += yyleng; wc += 3;
16{words}{3}{word}{ws}*	cc += yyleng; wc += 4;
17
18{ws}+			cc += yyleng;
19
20\n+			cc += yyleng; lc += yyleng;
21
22<<EOF>>		{
23		printf( "%8d %8d %8d\n", lc, wc, cc );
24		yyterminate();
25		}
26