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.\" ========================================================================
.\"
.IX Title "Perl::OSType 3"
.TH Perl::OSType 3 "2010-11-16" "perl v5.8.8" "User Contributed Perl Documentation"
.SH "NAME"
Perl::OSType \- Map Perl operating system names to generic types
.SH "VERSION"
.IX Header "VERSION"
version 1.002
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&  use Perl::OSType ':all';
.Ve
.PP
.Vb 2
\&  $current_type = os_type();
\&  $other_type = os_type('dragonfly'); # gives 'Unix'
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Modules that provide OS-specific behaviors often need to know if
the current operating system matches a more generic type of
operating systems. For example, 'linux' is a type of 'Unix' operating system
and so is 'freebsd'.
.PP
This module provides a mapping between an operating system name as given by
\&\f(CW$^O\fR and a more generic type.  The initial version is based on the \s-1OS\s0 type
mappings provided in Module::Build and ExtUtils::CBuilder.  (Thus,
Microsoft operating systems are given the type 'Windows' rather than 'Win32'.)
.SH "USAGE"
.IX Header "USAGE"
No functions are exported by default. The export tag \*(L":all\*(R" will export
all functions listed below.
.Sh "\fIos_type()\fP"
.IX Subsection "os_type()"
.Vb 2
\&  $os_type = os_type();
\&  $os_type = os_type('MSWin32');
.Ve
.PP
Returns a single, generic \s-1OS\s0 type for a given operating system name.  With no
arguments, returns the \s-1OS\s0 type for the current value of \f(CW$^O\fR.  If the
operating system is not recognized, the function will return the empty string.
.Sh "\fIis_os_type()\fP"
.IX Subsection "is_os_type()"
.Vb 2
\&  $is_windows = is_os_type('Windows');
\&  $is_unix    = is_os_type('Unix', 'dragonfly');
.Ve
.PP
Given an \s-1OS\s0 type and \s-1OS\s0 name, returns true or false if the \s-1OS\s0 name is of the
given type.  As with \f(CW\*(C`os_type\*(C'\fR, it will use the current operating system as a
default if no \s-1OS\s0 name is provided.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.IP "\(bu" 4
Devel::CheckOS
.SH "AUTHOR"
.IX Header "AUTHOR"
David Golden <dagolden@cpan.org>
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
This software is copyright (c) 2010 by David Golden.
.PP
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.