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LIST-REWRITES(1)      User Contributed Perl Documentation     LIST-REWRITES(1)

	 list-rewrites - reads penn treebanks, prints out all rewrites found

	 list-rewrites [options] [file ...]

	    -help	 brief help message
	    -man	 full documentation
	   --verbose	 more verbose to STDERR
	   --directinput allow TTY to STDIN

	   --format FORMAT provide a different output format

	   --terminal	 include (exclude) terminal expansions
	   --noterminal	 default is --terminal

   Sample output
	 $ echo	"(S (NP	(DET the) (NN dog)) (VP	ran))" | ./list-rewrites
	 S => NP VP
	 NP => DET NN
	 DET =>	the
	 NN => dog
	 VP => ran

       -?  Show	this help message.

	   Show	the manual page	for this script.

	   By default, if there	is a human-operated TTY	on STDIN, this script
	   issues a usage message and exits (this is so	users can run
	   "list-rewrites" and get the usage message).	If you really want to
	   type	trees by hand on STDIN,	add the	--directinput flag.

	   Repeatable option. Report more of what we're	doing.

       --format	FORMAT
	   provide an alternative output format. The default is	"%s =" %s\n>,
	   which creates output	like the example in "Sample output".

       This program lists all rewrites in all trees presented by file or on
       STDIN to	this script.

       The trees must be in Penn treebank format.

       The rewrites will not necessarily be unique; if you want	them to	be
       unique, you will	have to	pipe the output	of this	program	into (e.g.)
       "sort | uniq".  This is deliberate, so that you can get counts from the
       output of this program as well as a survey of the rewrites in a corpus.

   TO DO
       None that I know	of.

       Jeremy G. Kahn <>

perl v5.32.0			  2004-11-10		      LIST-REWRITES(1)


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