In pseudocode:

function f(sofar, more)
{
        array strings
        foreach letter in more
        {
                strings = f(foreach+letter, more-letter)
        }
        return strings
}

HTH.

--Ben Doom

Greg Morphis wrote:
> anyone else? I was hoping to do this in CF alone?
> 
> Thanks
> 
> On Wed, Feb 13, 2008 at 6:59 PM, Dawson, Michael <[EMAIL PROTECTED]> wrote:
>> Thinking outside the box...  You could use a database for this.  Create a 
>> table that contains a single column.  That column contains a record for each 
>> letter of the alphabet.  Then, do a cartesian join to join that table to 
>> itself, three other times.  Concatenate the fields and you should have each 
>> combination.
>>
>> That would get the first part without consideration of the second part.
>>
>> m!ke
>>
>>  _____
>>
>> From: Greg Morphis [mailto:[EMAIL PROTECTED]
>> Sent: Wed 2/13/2008 4:57 PM
>> To: CF-Talk
>> Subject: all possible letter combinations
>>
>>
>>
>>
>> Given a string, e.g. "ABCD"
>>
>> I need to come up with all combinations of letters
>> eg
>> ABCD
>> ABDC
>> ACBD
>> ACDB
>> .....
>>
>> And exlude strings like 'AAAA', 'AAAB' unless you pass a string with
>> duplicate characters
>> If I pass the string "AAAB" then it'd return:
>> AAAB
>> AABA
>> ABAA
>> BAAA
>>
>>
>>
>>
>>
> 
> 

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
Adobe® ColdFusion® 8 software 8 is the most important and dramatic release to 
date
Get the Free Trial
http://ad.doubleclick.net/clk;160198600;22374440;w

Archive: 
http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:298992
Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm
Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4

Reply via email to