1 /* $NetBSD: wc2.l,v 1.1.1.1 2009/10/26 00:28:34 christos Exp $ */ 2 3 /* Somewhat faster "wc" tool: match more text with each rule */ 4 5 ws [ \t] 6 nonws [^ \t\n] 7 word {ws}*{nonws}+ 8 9 %option main noyywrap 10 %% 11 int cc = 0, wc = 0, lc = 0; 12 13 {word}{ws}* cc += yyleng; ++wc; 14 {word}{ws}*\n cc += yyleng; ++wc; ++lc; 15 16 {ws}+ cc += yyleng; 17 18 \n+ cc += yyleng; lc += yyleng; 19 20 <<EOF>> { 21 printf( "%8d %8d %8d\n", lc, wc, cc ); 22 yyterminate(); 23 } 24