---
name: "nauty-dimacs2g"
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-dimacs2g"
---

# nauty-dimacs2g(1)

convert files of graphs in DIMACS format to stdout in sparse6 format

## NAME

nauty-dimacs2g - convert files of graphs in DIMACS format to stdout in sparse6 format

## SYNOPSIS

**dimacs2g** \[*-n#:#*\] \[*-a"string"*\] \[*-b"string"*\] \[*-d*\] *-*\[*c*\] \[*infile*...\]

## DESCRIPTION

-

  Read files of graphs in Dimacs format and write them to stdout.

- **-d**

  Use dreadnaut format (default is sparse6)

- **-n**#:#

  Specify a range of n values for output

- **-a**"string"

  A string to write before each graph.

- **-b**"string"

  A string to write after each graph.

**-a** and **-b** only operate for dreadnaut output;

-

  and should be given in separate arguments.

- **-c**

  Don't copy "c" comments from the input.

-

  Input files with name \*.gz are ungzipped.