sccmap [-dsv] [ -ooutfile ] [ files ]
sccmap decomposes digraphs into strongly connected components and an
auxiliary map of the relationship between components. In this map,
each component is collapsed into a node. The resulting graphs are
printed to standard out. The number of nodes, edges and strongly con-
nected components are printed to standard error. sccmap is a way of
partitioning large graphs into more manageable pieces.
The following options are supported:
-d Preserve degenerate components of only one node.
-s Do not print the resulting graphs. Only the statistics are
-S Just print the resulting graphs. No statistics are printed.
Prints output to the file output. If not given, sccmap uses std-
-v Generate additional statistics. In particular, sccmap prints the
number of nodes, edges, connected components, and strongly con-
nected components, followed by the fraction of nodes in a non-
trivial strongly connected components, the maximum degree of the
graph, and fraction of non-tree edges in the graph.
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.
sccmap emits a warning if it encounters an undirected graph, and
Stephen C. North <firstname.lastname@example.org>
Emden R. Gansner <email@example.com>
gc(1), dot(1), acyclic(1), gvpr(1), gvcolor(1), ccomps(1), tred(1),
21 March 2001 SCCMAP(1)
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