.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.2.
.TH NAUTY-DELPTG "1" "March 2021" "nauty 2.7.1" "Nauty Manual"
.SH NAME
nauty-delptg \- delete vertices
.SH SYNOPSIS
.B delptg
[\fI\,-lq\/\fR] [\fI\,-d#|d#:#\/\fR] [\fI\,-n#\/\fR] [\fI\,infile \/\fR[\fI\,outfile\/\fR]]
.SH DESCRIPTION
.IP
Delete some vertices from a file of graphs.
.IP
The output file has a header if and only if the input file does.
No isomorph reduction is done.
.TP
\fB\-l\fR
Canonically label outputs
.HP
\fB\-d\fR# \fB\-d\fR#:# Only remove vertices with original degree in the given range
.IP
For digraphs, the out\-degree is used.
.HP
\fB\-n\fR# The number of vertices to delete (default 1).
.IP
Inputs that are too small are ignored; no empty graphs are output.
.TP
\fB\-q\fR
Suppress auxiliary information