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g.version(1grass) GRASS User's Manual g.version(1grass)

NAME

g.version - Displays GRASS version info.
Optionally also prints build or copyright information.

KEYWORDS

general, support, citing, copyright, version, license

SYNOPSIS

g.version
g.version --help
g.version [-cxbreg] [format=name] [--help] [--verbose] [--quiet] [--ui]

Flags:


Print also the copyright message

Print also the citation options

Print also the build information

Print also the GIS library revision number and date

Print also extended info for additional libraries
GDAL/OGR, PROJ, GEOS

Print info in shell script style (including Git reference commit) [deprecated]
This flag is deprecated and will be removed in a future release. Use format=shell instead.

Print usage summary

Verbose module output

Quiet module output

Force launching GUI dialog

Parameters:


Output format
Options: plain, shell, json
Default: plain
plain: Human readable text output
shell: shell script style text output
json: JSON (JavaScript Object Notation)

DESCRIPTION

g.version prints to standard output the GRASS version number, date, the GRASS copyright (-c flag), and GRASS build information (-b flag).

NOTES

This program requires no command line arguments; the user simply types g.version on the command line to see the version number and date of the GRASS software currently being run by the user.

Information about GRASS core GIS Library can be printed by -r flag.

Version numbers of additional libraries like PROJ, GDAL/OGR or GEOS are printed by -e flag.

See also function version() from Python Scripting Library. 

import grass.script as gcore
print gcore.version()

EXAMPLES

Basic info

g.version
GRASS 8.4.0 (2024)

GIS Library info

g.version -r
GRASS 8.4.0 (2024)
libgis revision: c9e8576cf
libgis date: 2024-04-27T09:38:49+00:00

Full info in shell script style

g.version -rge
version=8.4.0
date=2024
revision=d57f40906
build_date=2024-05-23
build_platform=x86_64-pc-linux-gnu
build_off_t_size=8
libgis_revision=c9e8576cf
libgis_date=2024-04-27T09:38:49+00:00
proj=8.2.1
gdal=3.4.3
geos=3.9.2
sqlite=3.36.0

Note: if revision=exported is reported instead of the git hash then the git program was not available during compilation of GRASS and the source code did not contain the .git/ subdirectory (requires e.g. to git clone the GRASS software repository.)

Citing GRASS

The GRASS Development Team has invested significant time and effort in creating GRASS, please cite it when using it for data analysis. The GRASS Web site offers citations in different styles.

AUTHORS

Michael Shapiro, U.S. Army Construction Engineering Research Laboratory
Extended info by Martin Landa, Czech Technical University in Prague, Czech Republic

SOURCE CODE

Available at: g.version source code (history)

Latest change: Monday Dec 08 21:47:55 2025 in commit: d3c6479bef77a58e3b5d85259303dbfb9c1babe8

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© 2003-2026 GRASS Development Team, GRASS 8.5.0 Reference Manual

GRASS 8.5.0