yyextract man page on DigitalUNIX

yyextract man page on DigitalUNIX

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YYEXTRACT(1)		  BSD General Commands Manual		  YYEXTRACT(1)

NAME
     yyextract — extract grammar rules from a yacc grammar

SYNOPSIS
     yyextract [-behyV] [-o file] [-t title] [-w cols] [file ...]

DESCRIPTION
     The yyextract utility extracts the grammar rules from a yacc grammar.

     The options are as follows:

     -b	     Select the Backus-Naur Form (BNF) for the output.

     -e	     Select the Extended Backus-Naur Form (EBNF) for the output.

     -h	     Output in HTML format.

     -o file
	     Set the output destination to file.

     -t title
	     Specify the page title for the generated HTML page.

     -w cols
	     Set the width limit of the output (this sets only the width of
	     the %token header).

     -y	     Select the yacc format for the output. This is the default for‐
	     mat.

     -V	     Print version information on standard output then exit.

NOTES
     The Extended Backus-Naur Form (EBNF) is like the Backus-Naur Form (BNF)
     but with the empty rules translated with the zero-or-one operator (within
     the brackets '[' and ']').

AUTHORS
     Sandro Sigala <sandro@sigala.it>

BSD				 July 15, 2001				   BSD

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