commands/flex-2.5.4/MISC/fastwc/wc1.l

   1 /* First cut at a flex-based "wc" tool. */
   2
   3 ws    [ \t]
   4 nonws [^ \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                 }