/* $NetBSD: wc3.l,v 1.1.1.1 2009/10/26 00:28:34 christos Exp $ */ /* Somewhat faster still: potentially match a lot of text with each rule */ ws [ \t] nonws [^ \t\n] word {ws}*{nonws}+ words {word}{ws}+ %option main noyywrap %% int cc = 0, wc = 0, lc = 0; {word}{ws}* cc += yyleng; ++wc; {word}{ws}*\n cc += yyleng; ++wc; ++lc; {words}{word}{ws}* cc += yyleng; wc += 2; {words}{2}{word}{ws}* cc += yyleng; wc += 3; {words}{3}{word}{ws}* cc += yyleng; wc += 4; {ws}+ cc += yyleng; \n+ cc += yyleng; lc += yyleng; <> { printf( "%8d %8d %8d\n", lc, wc, cc ); yyterminate(); }