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/* Fastest version of wc: add rules to pick up newlines, too */

ws    [ \t]
nonws [^ \t\n]
word  {ws}*{nonws}+
words {word}{ws}+

%option main noyywrap
%%
        int cc = 0, wc = 0, lc = 0;

{word}{ws}*             ++wc; cc += yyleng;
{word}{ws}*\n           ++wc; cc += yyleng; ++lc;
{words}{word}{ws}*      wc += 2; cc += yyleng;
{words}{word}{ws}*\n    wc += 2; cc += yyleng; ++lc;
{words}{2}{word}{ws}*   wc += 3; cc += yyleng;
{words}{2}{word}{ws}*\n wc += 3; cc += yyleng; ++lc;
{words}{3}{word}{ws}*   wc += 4; cc += yyleng;
{words}{3}{word}{ws}*\n wc += 4; cc += yyleng; ++lc;

{ws}+                   cc += yyleng;

\n+                     cc += yyleng; lc += yyleng;

<<EOF>>         {
                printf( "%8d %8d %8d\n", lc, wc, cc );
                yyterminate();
                }

Generated by dwww version 1.15 on Sat Jun 15 04:46:12 CEST 2024.