---
name: "nauty-linegraphg"
section: "1"
platform: "linux"
package: "nauty"
version: "2.8.9+ds-1+b1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/nauty-linegraphg"
---

# nauty-linegraphg(1)

compute the linegraphs of a file of graphs

## NAME

nauty-linegraphg - compute the linegraphs of a file of graphs

## SYNOPSIS

**linegraphg** \[*-t*\] \[*-q*\] \[*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.

- **-t**

  make the total graph

- **-q**

  Suppress auxiliary information.