Manual Reference Pages - BCOMPS (1)
bcomps - biconnected components filter for graphs
bcomps decomposes graphs into their biconnected components,
printing the components to standard output.
The following options are supported:
By default, each input graph is printed, with each
block given as a subgraph whose name is a concatenation of
the name of the input graph, the string "_bcc_" and the
number of the block.
No output graph is printed. Implies the
Print the underlying block-cutvertex tree.
Each biconnected component is printed as a separate root graph.
Prints number of blocks and cutvertices.
-o outfile |
If specified, each root graph will be written to a different file
with the names derived from outfile. In particular,
if both -o and -x flags are used, then each
block is written to a different file. If outfile does
not have a suffix, the nth block of the ith graph is written
to outfile_n_i. However, the 0th block of the 0th graph is written to
If outfile has a suffix, i.e., has the form base.sfx,
then the files will have the same name as above, except appended with .sfx.
The block-cutvertex tree of ith graph is written to outfile_n_T,
with an appended suffix if specified.
The following operand is supported:
Names of files containing 1 or more graphs in dot format.
files operand is specified,
the standard input will be used.
0 if all the input graphs are biconnected; and
non-zero if any graph has multiple blocks, or any error occurred.
It is possible, though unlikely, that the names used for connected
components and their subgraphs may conflict with existing subgraph names.
Emden R. Gansner <firstname.lastname@example.org>
ccomps(1), gc(1), dot(1), gvpr(1), gvcolor(1), acyclic(1), sccmap(1), tred(1), libgraph(3)
|--> ||BCOMPS (1) ||18 November 2003 |
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