tred man page on Oracle

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TRED(1)								       TRED(1)

       tred - transitive reduction filter for directed graphs

       tred [ files ]

       tred  computes  the transitive reduction of directed graphs, and prints
       the resulting graphs to standard output.	 This removes edges implied by
       transitivity.   Nodes  and  subgraphs  are not otherwise affected.  The
       ``meaning'' and validity of the reduced graphs  is  application	depenā€
       dent.   tred  is particularly useful as a preprocessor to dot to reduce
       clutter in dense layouts.

       Undirected graphs are silently ignored.

       The following operand is supported:

       files   Names of files containing 1 or more graphs in dot  format.   If
	       no files operand is specified, the standard input will be used.

       Using bitmaps internally would substantially decrease running time.

       If  a  graph  has  cycles,  its	transitive  reduction  is not uniquely
       defined.	 In this case tred emits a warning.

       Stephen C. North <>
       Emden R. Gansner <>

       gc(1), dot(1), acyclic(1), gvpr(1), gvcolor(1),	ccomps(1),  sccmap(1),

				 21 March 2001			       TRED(1)

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