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/*
 * Tokens for esh.
 *
 * Developed by Godmar Back for CS 3214 Fall 2009
 * Virginia Tech.
 */
%{
#include <string.h>

/* lex.yy.c uses 'ECHO;' which is in termbits.h defined as 0x10 
 * undefine this to avoid 'useless statement' warning. 
 */
#ifdef ECHO
#undef ECHO
#endif /* ECHO */
%}
%%
[ \t]*          ;
">>"            return GREATER_GREATER;
[|&;<>\n]       return *yytext;
[^|&;<>\n\t ]+  { yylval.word = strdup(yytext); return WORD; }
%%