external/bsd/flex/dist/examples/manual/myname2.lex

   1 /*
   2  * myname2.lex : A sample Flex program
   3  *               that does token replacement.
   4  */
   5
   6 %{
   7 #include <stdio.h>
   8 %}
   9
  10 %x STRING
  11 %%
  12 \"                ECHO; BEGIN(STRING);
  13 <STRING>[^\"\n]*  ECHO;
  14 <STRING>\"        ECHO; BEGIN(INITIAL);
  15
  16 %NAME     { printf("%s",getenv("LOGNAME")); }
  17 %HOST     { printf("%s",getenv("HOST"));    }
  18 %HOSTTYPE { printf("%s",getenv("HOSTTYPE"));}
  19 %HOME     { printf("%s",getenv("HOME"));    }