On Wed, 14 Sep 2005 16:22:02 -0700, "Intern Ian" <Intern
wrote:

I am attempting to create a file system using excel that can be easily
searched and sorted by a number ie 1.3.12 or alphabetically. At this time I
have entered the data as I would like it to appear if sorted by number,
however if I attempt to alphabetize I can not restore the numbers to their
proper order.

Currently I have only 3 columns. One with numbers, one with file names, and
one with additional information.

For example

1 Office
1.1 Employees
1.1.1 Bob Marketing
1.1.2 Dave IT
…
1.1.12 Joe Marketing
1.2 Equipment
1.2.1 Computers
….
12 Locations
12.1 USA
12.1.1 New York
12.1.1.1 New York Primary
12.2 New Mexico
12.2.1 Albuquerque Primary
…
12.2.15 California
12.2.15.1 L.A. Secondary
…

Is there any way I can sort these alphabetically using the other two columns
and then get back to the proper numbering? A question that seems to be
similar or related to this can be found he
http://www.excelforum.com/showthread...hreadid=401416

Thanks,
-Ian

Although I'm sure this can be done with worksheet functions, I found it
relatively simple to do using a VBA UDF (user defined function).

The "trick" is to transform the outline number appropriately, so that when
sorted it will give you the result you want. You then put that number in an
adjacent column to your table, and sort on that column. When done, you can
delete the column.

To enter the UDF, <alt<F11 opens the VB editor. Ensure your project is
highlighted in the project explorer window, then Insert/Module and paste the
code below into the window that opens.

Be sure to note the MaxNum constant which is the Maximum Number of outline
sublevels you might have. In your example, you showed four, so that is what I
used. In addition, I have assumed that the maximum number of levels within each
sublevel is 99.

In a column adjacent to your table, enter the formula:
=combine(cell_ref) (where cell_ref is the outline number)
and copy/drag down as far as needed.

Then sort on this new column (ascending).

=================================
Function combine(rg As Range) As Double
Const dot As String = "."
Const NullString As String = ""
Const MaxLevels As Long = 4 'Maximum number of levels
Const MaxSubLevels = 99 'Maximum number of sublevels in each level; must be
10^x-1
Dim i As Long
Dim temp

temp = Split(rg.Text, dot)

For i = 0 To UBound(temp)
combine = combine + temp(i) * 10 ^ (((MaxLevels - 1) - i) _
* Log(MaxSubLevels + 1) / Log(10))
Next i

End Function
==================================

HTH,

--ron