inserting a variable to a new line

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LEARN ABOUT MINIX

yacc

YACC(1) 						      General Commands Manual							   YACC(1)

NAME

       yacc - an LALR(1) parser generator

SYNOPSIS

       yacc [ -dlrtv ] [ -b file_prefix ] [ -p symbol_prefix ] filename

DESCRIPTION

       Yacc  reads  the  grammar specification in the file filename and generates an LR(1) parser for it.  The parsers consist of a set of LALR(1)
       parsing tables and a driver routine written in the C programming language.  Yacc normally writes the parse tables and the driver routine to
       the file y.tab.c.

       The following options are available:

	      -b file_prefix
		     The -b option changes the prefix prepended to the output file names to the string denoted by file_prefix.	The default prefix
		     is the character y.

	      -d     The -d option causes the header file y.tab.h to be written.

	      -l     If the -l option is not specified, yacc will insert #line directives in the generated code.  The #line directives let  the  C
		     compiler  relate  errors  in  the	generated  code to the user's original code.  If the -l option is specified, yacc will not
		     insert the #line directives.  #line directives specified by the user will be retained.

	      -p symbol_prefix
		     The -p option changes the prefix prepended to yacc-generated symbols to the string denoted  by  symbol_prefix.   The  default
		     prefix is the string yy.

	      -r     The  -r  option  causes  yacc to produce separate files for code and tables.  The code file is named y.code.c, and the tables
		     file is named y.tab.c.

	      -t     The -t option changes the preprocessor directives generated by yacc so that debugging statements will be incorporated in  the
		     compiled code.

	      -v     The -v option causes a human-readable description of the generated parser to be written to the file y.output.

       If the environment variable TMPDIR is set, the string denoted by TMPDIR will be used as the name of the directory where the temporary files
       are created.

FILES

       y.code.c
       y.tab.c
       y.tab.h
       y.output
       /tmp/yacc.aXXXXXX
       /tmp/yacc.tXXXXXX
       /tmp/yacc.uXXXXXX

DIAGNOSTICS

       If there are rules that are never reduced, the number of such rules is reported on standard error.  If there are any LALR(1) conflicts, the
       number of conflicts is reported on standard error.

4.3 Berkeley Distribution					   July 15, 1990							   YACC(1)

Shell Programming and Scripting