1/* Fastest version of wc: add rules to pick up newlines, too */
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}*		++wc; cc += yyleng;
13{word}{ws}*\n		++wc; cc += yyleng; ++lc;
14{words}{word}{ws}*	wc += 2; cc += yyleng;
15{words}{word}{ws}*\n	wc += 2; cc += yyleng; ++lc;
16{words}{2}{word}{ws}*	wc += 3; cc += yyleng;
17{words}{2}{word}{ws}*\n	wc += 3; cc += yyleng; ++lc;
18{words}{3}{word}{ws}*	wc += 4; cc += yyleng;
19{words}{3}{word}{ws}*\n	wc += 4; cc += yyleng; ++lc;
20
21{ws}+			cc += yyleng;
22
23\n+			cc += yyleng; lc += yyleng;
24
25<<EOF>>		{
26		printf( "%8d %8d %8d\n", lc, wc, cc );
27		yyterminate();
28		}
29