.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
.TH NAUTY-ANCESTORG "1" "April 2024" "nauty 2.8.8" "Nauty Manual"
.SH NAME
nauty-ancestorg \- removes a specified number of final vertices
.SH SYNOPSIS
.B ancestorg
[\fI\,-q\/\fR] [\fI\,-g#:#|-g#\/\fR] [\fI\,infile \/\fR[\fI\,outfile\/\fR]]
.SH DESCRIPTION
.IP
The g\-th generation ancestor of a graph is the graph obtained by removing
.IP
the final g vertices. The 0\-th generation ancestor is the graph itself.
For each input graph, write the ancestors whose generation is given by the
g argument.  No zero\-sized graphs are written.
Output is always in graph6 format.
.IP
The output file has a header if and only if the input file does.
.TP
\fB\-g\fR# \fB\-g\fR#:#
Specify a generation or range of generations (default: all)
.TP
\fB\-q\fR
Suppress auxiliary information