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141 Kevin 1 
/*
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 * Tokens for esh.
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 *
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 * Developed by Godmar Back for CS 3214 Fall 2009
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 * Virginia Tech.
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 */
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%{
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#include <string.h>
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/* lex.yy.c uses 'ECHO;' which is in termbits.h defined as 0x10
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 * undefine this to avoid 'useless statement' warning.
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 */
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#ifdef ECHO
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#undef ECHO
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#endif /* ECHO */
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%}
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%%
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[ \t]*		;
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">>"		return GREATER_GREATER;
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[|&;<>\n]	return *yytext;
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[^|&;<>\n\t ]+ 	{ yylval.word = strdup(yytext); return WORD; }
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%%