1*357f1050SThomas Veerman /* First cut at a flex-based "wc" tool. */ 2*357f1050SThomas Veerman 3*357f1050SThomas Veerman ws [ \t] 4*357f1050SThomas Veerman nonws [^ \t\n] 5*357f1050SThomas Veerman 6*357f1050SThomas Veerman %option main noyywrap 7*357f1050SThomas Veerman %% 8*357f1050SThomas Veerman int cc = 0, wc = 0, lc = 0; 9*357f1050SThomas Veerman 10*357f1050SThomas Veerman {nonws}+ cc += yyleng; ++wc; 11*357f1050SThomas Veerman 12*357f1050SThomas Veerman {ws}+ cc += yyleng; 13*357f1050SThomas Veerman 14*357f1050SThomas Veerman \n ++lc; ++cc; 15*357f1050SThomas Veerman 16*357f1050SThomas Veerman <<EOF>> { 17*357f1050SThomas Veerman printf( "%8d %8d %8d\n", lc, wc, cc ); 18*357f1050SThomas Veerman yyterminate(); 19*357f1050SThomas Veerman } 20