.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.2.
.TH NAUTY-DRETOG "1" "March 2021" "nauty 2.7.1" "Nauty Manual"
.SH NAME
nauty-dretog \- read graphs in dreadnaut format
.SH SYNOPSIS
.B dretog
[\fI\,-n#o#sghq\/\fR] [\fI\,infile \/\fR[\fI\,outfile\/\fR]]
.SH DESCRIPTION
.IP
Read graphs in dreadnaut format.
.TP
\fB\-o\fR#
Label vertices starting at # (default 0).
This can be overridden in the input.
.TP
\fB\-n\fR#
Set the initial graph order to # (no default).
This can be overridden in the input.
.TP
\fB\-g\fR
Use graph6 format (default for undirected graphs).
.TP
\fB\-z\fR
Use digraph6 format (default for directed graphs).
.TP
\fB\-s\fR
Use sparse6 format.
.TP
\fB\-h\fR
Write a header (according to \fB\-g\fR, \fB\-z\fR or \fB\-s\fR).
.TP
\fB\-q\fR
Suppress auxiliary output.
.IP
Input consists of a sequence of dreadnaut commands restricted to:
.TP
n=#
set number of vertices (no default)
The = is optional.
.TP
$=#
set label of first vertex (default 0)
The = is optional.
.TP
d
indicate graph will be directed
.TP
$$
return origin to initial value (see \fB\-o\fR#)
.TP
".." and !..\en
comments to ignore
.TP
g
specify graph to follow (as dreadnaut format)
Can be omitted if first character of graph is a digit or ';'.
.TP
q
exit (optional)