Provided by: nauty_2.5r9+ds-1_amd64 

NAME
nauty-linegraphg - compute the linegraphs of a file of graphs
SYNOPSIS
linegraphg [-q] [infile [outfile]]
DESCRIPTION
Take the linegraphs of a file of graphs.
Input graphs with no edges produce only a warning message.
The output file has a header if and only if the input file does.
-q Suppress auxiliary information.
nauty 2.5.9 April 2014 NAUTY-LINEGRAPHG(1)