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")); } 20