---
name: "gfsjoin2D"
section: "1"
platform: "linux"
package: "gerris"
version: "20131206+dfsg-21+b3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/gfsjoin2D"
---

# gfsjoin2D(1)

joins several parallel Gerris simulation files

## NAME

gfsjoin2D, gfsjoin3D - joins several parallel Gerris simulation files

## SYNOPSIS

**gfsjoin** \[OPTIONS\] FILE1 FILE2 ... \> JOINED

## DESCRIPTION

This manual page documents briefly the **gfsjoin** command.

## OPTIONS

These programs follow the usual GNU command line syntax, with long options starting with two dashes (\`-'). A summary of options is included below.

- **-k, --keep**

  Keep MPI boundaries.

- **-v, --verbose**

  Display statistics and other info.

- **-h, --help**

  Display the help and exit.

## AUTHOR

gfsjoin was written by Stephane Popinet \<s.popinet@niwa.co.nz\>.