[CFCDev] Looping between to points of an array

[Stephen Adams]

Hi,

I'm trying to create a cffunction where I can dynamically loop between to points of an array. For example I may want to be able to loop from point 1 of the array to point 10. Then I may want to loop from point 11 to point 20 of the same array.

I've written a function to do this, which looks like this:

<cffunction name="arrayPositionValues" access="public" returntype="any"
                description="I take in 2 numbers and find the values in the columnListArr">
        <cfargument name="startPoint" type="numeric" required="false" />
        <cfargument name="endPoint" type="numeric" required="false" />           

        <cfset MyNewArray = ArrayNew(1)>
        <cfloop index="x" from="#ArrayLen(variables.columnListArr[startPoint])#" to="#ArrayLen(variables.columnListArr[endPoint])#">
            <!--- build array --->
            <cfset #ArrayAppend(MyNewArray, x)#>
        </cfloop>
       
        <!--- return sub section of array --->
        <cfreturn MyNewArray />
       
    </cffunction>

In this I am creating a sub section of a larger array based on the two points being passed into the function. Unfortunately I can't seem to get the loop to loop between the two points that I'm passing in.

Can anyone suggest a better way to do this?

Thanks

Stephen
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