Hi Owen, 2008/12/15 Chas. Owens <chas.ow...@gmail.com>
> On Mon, Dec 15, 2008 at 04:18, Panda-X <exilepa...@gmail.com> wrote: > > Hello, > > > > I have a hash tree, which sub- and sub-sub-sub ( and whatever ) > > items inside are all hashes. > > > > and the next step I dealing with this hash tree is to use > > Data::Dumper to dump it out. > > > > What I hope that the Data::Dumper result can keep the order as > > what I declared at very first. Is that anyway I can do this ? > > > > Thank you very much for any clues. > > > > Regards, > > Panda-X > > > > You can try Tie::IxHash*, but it does not transparently handle > nesting. If your hash has a predictable structure you could write > your own version of Dumper that knows the right order. You could also > store an incrementing value with each entry. > > It is also possible that there is a better solution, but that is > dependent on what you are trying to do. Can you tell us what sort of > data you are working with that the order of a hash (a fundamentally > unordered data structure) matters? If it is just that you want a > predictable order to the output, set $Data::Dumper::Sortkeys to 1. > > * http://search.cpan.org/dist/Tie-IxHash/lib/Tie/IxHash.pm I am trying to deal with this structure, and this is using to ask Tk to build the object : my $interface = { MW => { MENU_mn => { }, NOTEBOOK_nb => { TAB_tab1 => { BUTTON_but1 => { }, BUTTON_but2 => { }, }, TAB_tab2 => { FRAME_frmWhatever => { TEXT_someContext => { }, BUTTON_save => { }, }, }, }, }, } But maybe I missed something inside, seems Tie::IxHash do not tie hash tree...? Am I correct ? Regards, Panda-X > <http://search.cpan.org/dist/Tie-IxHash/lib/Tie/IxHash.pm> > > -- > Chas. Owens > wonkden.net > The most important skill a programmer can have is the ability to read. >
