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gc (1)
  • >> gc (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
  •  

    NAME

    gc - count graph components
     
    

    SYNOPSIS

    gc [ -necCaDUrs? ] [ files ]  

    DESCRIPTION

    gc is a graph analogue to wc in that it prints to standard output the number of nodes, edges, connected components or clusters contained in the input files. It also prints a total count for all graphs if more than one graph is given.  

    OPTIONS

    The following options are supported:
    -n
    Count nodes.
    -e
    Count edges.
    -c
    Count connected components.
    -C
    Count clusters. By definition, a cluster is a graph or subgraph whose name begins with "cluster".
    -a
    Count all. Equivalent to -encC
    -r
    Recursively analyze subgraphs.
    -s
    Print no output. Only exit value is important.
    -D
    Only analyze directed graphs.
    -U
    Only analyze undirected graphs.
    -?
    Print usage information.

    By default, gc returns the number of nodes and edges.  

    OPERANDS

    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.
     

    EXIT STATUS

    The following exit values are returned:
    0
    Successful completion.
    1
    The -U or -E option was used, and a graph of the wrong type was encountered.
     

    AUTHOR

    Emden R. Gansner <erg@research.att.com>  

    SEE ALSO

    wc(1), acyclic(1), gvpr(1), gvcolor(1), ccomps(1), sccmap(1), tred(1), libgraph(3)


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    OPERANDS
    EXIT STATUS
    AUTHOR
    SEE ALSO


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