NAME
    Text::Glob::Expand - permute and expand glob-like text patterns

VERSION
    This document describes Text::Glob::Expand version 0.1

SYNOPSIS
    The original use case was to specify hostname aliases and expansions
    thereof. For example:

        use Text::Glob::Expand;

        my $hosts = "{www{1,2,3},mail{1,2},ftp{1,2}}";
        my $glob = Text::Glob::Expand->parse($hosts);

        my $permutations = $glob->explode("%1.somewhere.co.uk");
        # $permutations = [qw(www1 www2 www3 mail1 mail2 ftp1 ftp2)]

        my $permutations = $glob->explode_format("%0.somewhere.co.uk");
        # $permutations = {
        #     www1 => 'www1.somewhere.co.uk',
        #     www2 => 'www2.somewhere.co.uk',
        #     www3 => 'www3.somewhere.co.uk',
        #     mail1 => 'mail1.somewhere.co.uk',
        #     mail2 => 'mail2.somewhere.co.uk',
        #     ftp1 => 'ftp1.somewhere.co.uk',
        #     ftp2 => 'ftp2.somewhere.co.uk',
        # }

INTERFACE
  "$obj = $class->parse($string)"
    This is the constructor. It parses a string, and returns a
    "Text::Glob::Expand" object.

  "$arrayref = $obj->explode"
    This returns an arrayref containing all the expanded permutations
    generated from the string parsed by the constructor.

    (The result is cached, and returned again if this is called more than
    once. See $MAX_CACHING.)

  "$hashref = $obj->explode_format($format)"
    This returns a hashref mapping each expanded permutation to a string
    generated from the $format parameter.

    (The return value is not cached, since the result depend on $format.)

DIAGNOSTICS
    TBD

CONFIGURATION AND ENVIRONMENT
    "Text::Glob::Expand" requires no configuration files or environment
    variables.

    There is one configurable option in the form of a package variable.

  $MAX_CACHING
    The package variable $Text::Glob::Expand::MAX_CACHING can be used to
    control or disable the caching done by the "->explode" method. It should
    be a positive integer, or zero.

    The default value is 100, which means that up to 100
    "Text::Glob::Expand" objects' "->explode" results will be cached, but no
    more. You can disable caching by setting this to zero or less.

DEPENDENCIES
    The dependencies should be minimal - I aim to have none.

    For a definitive answer, see the Build.PL file included in the
    distribution, or use the dependencies tool on <http://search.cpan.org>

INCOMPATIBILITIES
    None reported.

BUGS AND LIMITATIONS
    No bugs have been reported.

    Please report any bugs or feature requests to
    "bug-Text-Glob-Expand@rt.cpan.org", or through the web interface at
    <http://rt.cpan.org>.

AUTHOR
    Nick Stokoe "<npw@cpan.org>"

LICENCE AND COPYRIGHT
    Copyright (c) 2011, Nick Stokoe "<npw@cpan.org>". All rights reserved.

    This module is free software; you can redistribute it and/or modify it
    under the same terms as Perl itself. See perlartistic.

DISCLAIMER OF WARRANTY
    BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
    FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
    OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
    PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
    EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
    ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH
    YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL
    NECESSARY SERVICING, REPAIR, OR CORRECTION.

    IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
    WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
    REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE LIABLE
    TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL, OR
    CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
    SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
    RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
    FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
    SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
    DAMAGES.