/* Somewhat faster "wc" tool: match more text with each rule */ ws [ \t] nonws [^ \t\n] word {ws}*{nonws}+ %option main noyywrap %% int cc = 0, wc = 0, lc = 0; {word}{ws}* cc += yyleng; ++wc; {word}{ws}*\n cc += yyleng; ++wc; ++lc; {ws}+ cc += yyleng; \n+ cc += yyleng; lc += yyleng; <> { printf( "%8d %8d %8d\n", lc, wc, cc ); yyterminate(); }