%Image::ExifTool::UserDefined = (
    'Image::ExifTool::Composite' => {
        FirstFile => {
            Require => {
                0 => 'BaseName',
                1 => 'SequenceLength',
                2 => 'SequenceNumber',
            },
            ValueConv => q{
                return undef unless $val[1] > 1 and $val[0] =~ /(\d+)/;
                my $num = sprintf('%.*d', length($1), $1 - $val[2] + 1);
                $val[0] =~ s/(\d+)/$num/;
                return $val[0];
            },
        },
    },
);
%Image::ExifTool::UserDefined::Options = (
    RequestTags => 'BaseName',
);
1; #end