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.IX Title "Glib::Utils 3"
.TH Glib::Utils 3 2025-07-13 "perl v5.42.0" "User Contributed Perl Documentation"
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.SH NAME
Glib::Utils \-  Miscellaneous utility functions
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 2
\&  use Glib;
\&  Glib::set_application_name (Glib::get_real_name."\*(Aqs Cool Program");
\&
\&  print "app name is ".Glib::get_application_name()."\en";
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
Here are some useful miscellaneous utilities.
GLib is a portability library, providing portable utility functions for
C programs.  As such, most of these functions seem to violate the Glib
binding principle of not duplicating functionality that Perl already
provides, but there\*(Aqs a distinction for each one, i swear.  The functions
for dealing with user information are provided on all GLib\-supported
platforms, not just where POSIX (which provides similar information) is
available, and even work on platforms where \f(CW%ENV\fR may not include the
expected information.  Also, the "application name" referred to by
(set|get)_application_name is a human readable name, distinct from the
actual program name provided by Perl\*(Aqs own \f(CW$0\fR.
.SH METHODS
.IX Header "METHODS"
.SS "string = Glib::get_application_name"
.IX Subsection "string = Glib::get_application_name"
Get the human\-readable application name set by \f(CW\*(C`set_application_name\*(C'\fR.
.PP
Since: glib 2.2
.SS "Glib::set_application_name ($application_name)"
.IX Subsection "Glib::set_application_name ($application_name)"
.IP \(bu 4
\&\f(CW$application_name\fR (string)
.PP
Set the human\-readable application name.
.PP
Since: glib 2.2
.SS "string = Glib::get_home_dir"
.IX Subsection "string = Glib::get_home_dir"
Find the current user\*(Aqs home directory, by system\-dependent/appropriate
means.
.SS "list = Glib::get_language_names"
.IX Subsection "list = Glib::get_language_names"
Computes a list of applicable locale names, which can be used to e.g. construct
locale\-dependent filenames or search paths. The returned list is sorted from
most desirable to least desirable and always contains the default locale "C".
.PP
Since: glib 2.6
.SS "string = Glib::get_prgname"
.IX Subsection "string = Glib::get_prgname"
.SS "Glib::set_prgname ($prgname)"
.IX Subsection "Glib::set_prgname ($prgname)"
.IP \(bu 4
\&\f(CW$prgname\fR (string)
.SS "string = Glib::get_real_name"
.IX Subsection "string = Glib::get_real_name"
Get the current user\*(Aqs real name.
.SS "string = Glib::strerror ($err)"
.IX Subsection "string = Glib::strerror ($err)"
.IP \(bu 4
\&\f(CW$err\fR (integer)
.PP
Return a string describing the given errno value, like "No such file
or directory" for ENOENT.  This is translated into the user\*(Aqs
preferred language and is a utf8 wide\-char string (unlike a $!
string (perlvar) or POSIX::strerror (POSIX) which are locale
codeset bytes).
.SS "string = Glib::strsignal ($signum)"
.IX Subsection "string = Glib::strsignal ($signum)"
.IP \(bu 4
\&\f(CW$signum\fR (integer)
.PP
Return a string describing the given signal number, like "Segmentation
violation" for SIGSEGV.  This is translated into the user\*(Aqs preferred
language and is a utf8 wide\-char string.
.SS "list = Glib::get_system_config_dirs"
.IX Subsection "list = Glib::get_system_config_dirs"
Returns an ordered list of base directories in which to access system\-wide
configuration information.
.PP
Since: glib 2.6
.SS "list = Glib::get_system_data_dirs"
.IX Subsection "list = Glib::get_system_data_dirs"
Returns an ordered list of base directories in which to access system\-wide
application data.
.PP
Since: glib 2.6
.SS "string = Glib::get_tmp_dir"
.IX Subsection "string = Glib::get_tmp_dir"
Get the temp dir as appropriate for the current system.  See the GLib docs
for info on how it works.
.SS "string = Glib::get_user_cache_dir"
.IX Subsection "string = Glib::get_user_cache_dir"
Gets the base directory in which to store non\-essential, cached data specific
to particular user.
.PP
Since: glib 2.6
.SS "string = Glib::get_user_config_dir"
.IX Subsection "string = Glib::get_user_config_dir"
Gets the base directory in which to store user\-specific application
configuration information such as user preferences and settings.
.PP
Since: glib 2.6
.SS "string = Glib::get_user_data_dir"
.IX Subsection "string = Glib::get_user_data_dir"
Get the base directory for application data such as icons that is customized
for a particular user.
.PP
Since: glib 2.6
.SS "string = Glib::get_user_name"
.IX Subsection "string = Glib::get_user_name"
Get the current user\*(Aqs name by whatever system\-dependent means necessary.
.SS "string = Glib::get_user_special_dir ($directory)"
.IX Subsection "string = Glib::get_user_special_dir ($directory)"
.IP \(bu 4
\&\f(CW$directory\fR (Glib::UserDirectory)
.PP
Returns the full path of a special directory using its logical id.
.PP
Since: glib 2.14
.SH "ENUMS AND FLAGS"
.IX Header "ENUMS AND FLAGS"
.SS "enum Glib::UserDirectory"
.IX Subsection "enum Glib::UserDirectory"
.IP \(bu 4
\&\*(Aqdesktop\*(Aq / \*(AqG_USER_DIRECTORY_DESKTOP\*(Aq
.IP \(bu 4
\&\*(Aqdocuments\*(Aq / \*(AqG_USER_DIRECTORY_DOCUMENTS\*(Aq
.IP \(bu 4
\&\*(Aqdownload\*(Aq / \*(AqG_USER_DIRECTORY_DOWNLOAD\*(Aq
.IP \(bu 4
\&\*(Aqmusic\*(Aq / \*(AqG_USER_DIRECTORY_MUSIC\*(Aq
.IP \(bu 4
\&\*(Aqpictures\*(Aq / \*(AqG_USER_DIRECTORY_PICTURES\*(Aq
.IP \(bu 4
\&\*(Aqpublic\-share\*(Aq / \*(AqG_USER_DIRECTORY_PUBLIC_SHARE\*(Aq
.IP \(bu 4
\&\*(Aqtemplates\*(Aq / \*(AqG_USER_DIRECTORY_TEMPLATES\*(Aq
.IP \(bu 4
\&\*(Aqvideos\*(Aq / \*(AqG_USER_DIRECTORY_VIDEOS\*(Aq
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Glib
.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright (C) 2003\-2011 by the gtk2\-perl team.
.PP
This software is licensed under the LGPL.  See Glib for a full notice.