---
name: "gegl"
section: "1"
platform: "linux"
package: "gegl"
version: "1:0.4.62-2+deb13u2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/gegl"
---

# gegl(1)

GEGL library manual page

## NAME

gegl - GEGL library manual page

## DESCRIPTION

usage: gegl \[options\] \<file \| **--** \[op \[op\] ..\]\>

-

  Options:

- **-h**, **--help**

  this help information

- **--list-all**

  list all known operations

- **--exists**

  return 0 if the operation(s) exist

- **--properties**

  output the properties (name, type, description) of the operation

- **-i**, **--file**

  read xml from named file

- **-x**, **--xml**

  use xml provided in next argument

- **--dot**

  output a graphviz graph description

- **-o**, **--output**

  output generated image to named file, type based on extension.

- **-p**

  increment frame counters of various elements when processing is done.

- **-s** scale, **--scale** scale

  scale output dimensions by this factor.

- **-X**

  output the XML that was read in

- **-v**, **--verbose**

  print diagnostics while running

All parameters following **--** are considered ops to be chained together into a small composition instead of using an xml file, this allows for easy testing of filters. Be aware that the default value will be used for all properties.

unknown parameter '--version' giving you help instead

usage: gegl \[options\] \<file \| **--** \[op \[op\] ..\]\>

-

  Options:

- **-h**, **--help**

  this help information

- **--list-all**

  list all known operations

- **--exists**

  return 0 if the operation(s) exist

- **--properties**

  output the properties (name, type, description) of the operation

- **-i**, **--file**

  read xml from named file

- **-x**, **--xml**

  use xml provided in next argument

- **--dot**

  output a graphviz graph description

- **-o**, **--output**

  output generated image to named file, type based on extension.

- **-p**

  increment frame counters of various elements when processing is done.

- **-s** scale, **--scale** scale

  scale output dimensions by this factor.

- **-X**

  output the XML that was read in

- **-v**, **--verbose**

  print diagnostics while running

All parameters following **--** are considered ops to be chained together into a small composition instead of using an xml file, this allows for easy testing of filters. Be aware that the default value will be used for all properties.

## SEE ALSO

The full documentation for **gegl** is maintained as a Texinfo manual.  If the **info** and **gegl** programs are properly installed at your site, the command

-

  **info gegl**

should give you access to the complete manual.