sccmap (1) - Linux Man Pages
sccmap: extract strongly connected components of directed graphs
NAMEsccmap - extract strongly connected components of directed graphs
SYNOPSISsccmap [-dsv] [ -ooutfile ] [ files ]
DESCRIPTIONsccmap 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 connected components are printed to standard error. sccmap is a way of partitioning large graphs into more manageable pieces.
OPTIONSThe following options are supported:
- Preserve degenerate components of only one node.
- Do not print the resulting graphs. Only the statistics are important.
- Just print the resulting graphs. No statistics are printed.
- Prints output to the file output. If not given, sccmap uses stdout.
- Generate additional statistics. In particular, sccmap prints the number of nodes, edges, connected components, and strongly connected 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.
OPERANDSThe following operand is supported:
- Names of files containing 1 or more graphs in dot format. If no files operand is specified, the standard input will be used.
DIAGNOSTICSsccmap emits a warning if it encounters an undirected graph, and ignores it.
AUTHORSStephen C. North <north [at] research.att.com>
Emden R. Gansner <erg [at] research.att.com>
SEE ALSOgc(1), dot(1), acyclic(1), gvpr(1), gvcolor(1), ccomps(1), tred(1), libgraph(3)
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