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List Reverse sorted ? is possible ?

 
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Cipper
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Joined: 21 Jun 2001
Posts: 22
Location: Trieste Italy
PostPosted: Wed Mar 26, 2003 8:30 am    Post subject: List Reverse sorted ? is possible ? Reply with quote
In VDS 3.5 I can create a reverse list sorted ?


thank you for help. Shocked
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Dr. Dread
Professional Member
Professional Member


Joined: 03 Aug 2001
Posts: 1065
Location: Copenhagen, Denmark
PostPosted: Wed Mar 26, 2003 8:46 am    Post subject: Reply with quote
Not directly. But you could keep your content in one sorted list and then reverse that one
in another list whenever needed.

E.g.:
Code:

list create,1,SORTED
list add,1,1
list add,1,5
list add,1,3
list add,1,4
list add,1,2

info @text(1)

list create,2
%%inc = 0
repeat
list insert,2,@item(1,%%inc)
%%inc = @succ(%%inc)
until @equal(@index(1),@pred(@count(1)))

info @text(2)


Greetz
Dr. Dread
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Garrett
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Joined: 04 Oct 2001
Posts: 2149
Location: A House
PostPosted: Wed Mar 26, 2003 8:51 am    Post subject: Reply with quote
Yes. Add a list element that is 0,0,0,0 in size. Add the SORTED style to
that list, and then fill that list with the data you want. Once list is filled, it
is sorted. Now to reverse the list, create a data list and do something like
this:

Code:

DIALOG CREATE,LIST REVERSE SORT,0,0,300,200
DIALOG ADD,LIST1,0,0,0,0,SORTED
DIALOG SHOW
LIST CREATE,1
LIST LOADFILE,LIST1,(some file)
REM or fill your list1 with data some other way.

LIST SEEK,LIST1,0
LIST ADD,1, @item(LIST1)
%A = @next(LIST1)
Repeat
  LIST SEEK,1,0
  LIST INSERT,1,@item(LIST1)
  %A = @next(LIST1)
Until @not(@ok())


The data list named 1 now has your sorted list in reverse order. From
there you can either use 1 or assign it to another list element.

The above code should work, but was not tested. Only typed from
thoughts and not in the ide. Just to show you the idea.

-Garrett
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FreezingFire
Admin Team


Joined: 23 Jun 2002
Posts: 3508
PostPosted: Wed Mar 26, 2003 8:15 pm    Post subject: Reply with quote
What about this:

Code:
list create,1,SORTED
list add,1,1
list add,1,5
list add,1,3
list add,1,4
list add,1,2
info @text(1)
list reverse,1
info @text(1)

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FreezingFire
VDSWORLD.com
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FreezingFire
Admin Team


Joined: 23 Jun 2002
Posts: 3508
PostPosted: Wed Mar 26, 2003 8:17 pm    Post subject: Reply with quote
Oops. Does VDS 3 have a LIST REVERSE? Confused
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FreezingFire
VDSWORLD.com
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Mac
Professional Member
Professional Member


Joined: 08 Jul 2000
Posts: 1585
Location: Oklahoma USA
PostPosted: Wed Mar 26, 2003 8:35 pm    Post subject: Reply with quote
No LIST REVERSE in VDS3, but here's how I'd do it... Wink
Code:

LIST CREATE, 1, SORTED
LIST CREATE, 2

LIST ADD, 1, "1"
LIST ADD, 1, "2"
LIST ADD, 1, "3"

INFO @text(1)

%x = @pred(@count(1))
REPEAT
  LIST ADD, 2, @item(1, %x)
  %x = @pred(%x)
UNTIL @greater(0, %x)

INFO @text(2)

Cheers, Mac Smile
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Skit3000
Admin Team


Joined: 11 May 2002
Posts: 2166
Location: The Netherlands
PostPosted: Thu Mar 27, 2003 11:34 am    Post subject: Reply with quote
Here is one which only uses one list...

Code:
list create,1,sorted
list add,1,"1"
list add,1,"2"
list add,1,"3"

info @text(1)
%x = 0
repeat
  %z = @item(1,%x)@cr()@chr(10)%z
  %x = @succ(%x)
  info %z|@item(1,%x)
until @equal(%x,@count(1))
list close,1

list create,1
list assign,1,%z
info @text(1)
list close,1
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