NAME

nauty-underlyingg - take the underlying undirected graphs of a file of graphs

SYNOPSIS

underlyingg [-q] [infile [outfile]]

DESCRIPTION

Take the underlying undirected graphs of a file of graphs.

The output file has no header. Undirected graphs are passed through without change, while Underlying graphs of digraphs are written in sparse6 format.

-q

Suppress auxiliary information.