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.

nauty 2.7.3                                      September 2021                             NAUTY-UNDERLYINGG(1)