1/* First cut at a flex-based "wc" tool. */ 2 3ws [ \t] 4nonws [^ \t\n] 5 6%% 7 int cc = 0, wc = 0, lc = 0; 8 9{nonws}+ cc += yyleng; ++wc; 10 11{ws}+ cc += yyleng; 12 13\n ++lc; ++cc; 14 15<<EOF>> { 16 printf( "%8d %8d %8d\n", lc, wc, cc ); 17 yyterminate(); 18 } 19