User Commands XDG-ICON-RESOURCE(1)
NAME
xdg-icon-resource - command line tool for (un)installing
icon resources
SYNOPSIS
xdg-icon-resource install [--noupdate] [--novendor]
[--theme theme] [--context context]
[--mode mode] --size size icon-file
[icon-name]
xdg-icon-resource uninstall [--noupdate] [--theme theme]
[--context context] [--mode mode]
--size size icon-name
xdg-icon-resource forceupdate [--theme theme] [--mode mode]
xdg-icon-resource {--help --manual --version}
DESCRIPTION
The xdg-icon-resource program can be used to install icon
resources into the desktop icon system in order to
illustrate menu entries, to depict desktop icons or to
graphically represent file types.
The desktop icon system identifies icons by name. Depending
on the required size, the choice of icon theme and the
context in which the icon is used, the desktop icon system
locates an appropriate icon resource to depict an icon. Icon
resources can be XPM files or PNG files.
The desktop icon system works according to the XDG Icon
Theme Specification at
http:/www.freedesktop.org/Standards/icon-theme-spec
COMANDS
install
Installs the icon file indicated by icon-file to the
desktop icon system under the name icon-name. Icon
names do not have an extension. If icon-name is not
provided the name is derived from icon-file. The icon
file must have or as extension. If a corresponding file
exists in the same location as icon-file it will be
installed as well.
uninstall
Removes the icon indicated by icon-name from the
desktop icon system. Note that icon names do not have
an extension.
forceupdate
Force an update of the desktop icon system. This is
only useful if the last call to xdg-icon-resource
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User Commands XDG-ICON-RESOURCE(1)
included the --noupdate option.
OPTIONS
--noupdate
Postpone updating the desktop icon system. If multiple
icons are added in sequence this flag can be used to
indicate that additional changes will follow and that
it is not necassery to update the desktop icon system
right away.
--novendor
Normally, xdg-icon-resource checks to ensure that an
icon file to be installed in the apps context has a
proper vendor prefix. This option can be used to
disable that check.
A vendor prefix consists of alpha characters ([a-zA-Z])
and is terminated with a dash ("-"). Companies and
organizations are encouraged to use a word or phrase,
preferably the organizations name, for which they hold
a trademark as their vendor prefix. The purpose of the
vendor prefix is to prevent name conflicts.
--theme theme
Installs or removes the icon file as part of theme. If
no theme is specified the icons will be installed as
part of the default hicolor theme. Applications may
install icons under multiple themes but should at least
install icons for the default hicolor theme.
--context context
Specifies the context for the icon. Icons to be used in
the application menu and as desktop icon should use
apps as context which is the default context. Icons to
be used as file icons should use mimetypes as context.
Other common contexts are actions, devices, emblems,
filesystems and stock.
--size size
Specifies the size of the icon. All icons must be
square. Common sizes for icons in the apps context are:
16, 22, 32, 48, 64 and 128. Common sizes for icons in
the mimetypes context are: 16, 22, 32, 48, 64 and 128
--mode mode
mode can be user or system. In user mode the file is
(un)installed for the current user only. In system mode
the file is (un)installed for all users on the system.
Usually only root is allowed to install in system mode.
The default is to use system mode when called by root
and to use user mode when called by a non-root user.
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--help
Show command synopsis.
--manual
Show this manualpage.
--version
Show the xdg-utils version information.
ENVIRONMENT VARIABLES
xdg-icon-resource honours the following environment
variables:
XDGUTILSDEBUGLEVEL
Setting this environment variable to a non-zero
numerical value makes xdg-icon-resource do more verbose
reporting on stderr. Setting a higher value increases
the verbosity.
XDGUTILSINSTALMODE
This environment variable can be used by the user or
administrator to override the installation mode. Valid
values are user and system.
EXIT CODES
An exit code of 0 indicates success while a non-zero exit
code indicates failure. The following failure codes can be
returned:
1 Error in command line syntax.
2 One of the files passed on the command line did not
exist.
3 A required tool could not be found.
4 The action failed.
5 No permission to read one of the files passed on the
command line.
SEE ALSO
xdg-desktop-icon(1), xdg-desktop-menu(1), xdg-mime(1)
EXAMPLES
To install an icon resource to depict a launcher for the
application myfoobar, the company ShinyThings Inc. can use:
xdg-icon-resource install --size 64 shinythings-myfoobar.png
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User Commands XDG-ICON-RESOURCE(1)
To install an icon for a new application/x-foobar file type
one can use:
xdg-icon-resource install --context mimetypes --size 48 ./mime-foobar-48.png application-x-foobar
xdg-icon-resource install --context mimetypes --size 64 ./mime-foobar-64.png application-x-foobar
This will install two icons with the name
application-x-foobar but with different sizes.
AUTHOR
Kevin Krammer, Jeremy White.
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