CFLib.org – Common Function Library Project

Description:
Adds all the numbers in a delimited list returning the sum of the list.

Return Values:
Returns a numeric value.

Example:

<cfset mylist = "5,5,5">

<cfoutput>
The sum of my list is #listSum(mylist)#
</cfoutput>

Parameters:

Full UDF Source:

/**
 * Adds all the numbers in a delimited list returning the sum of the list.
 * 
 * @param listStr      Delimited list of numeric values you want to sum. 
 * @param delim      Optional delimiter for the list.  The default is the comma. 
 * @return Returns a numeric value. 
 * @author Douglas Williams (klenzade@i-55.com) 
 * @version 1.0, September 10, 2001 
 */
function listSum(listStr)
{
  var delim = ",";
  if(ArrayLen(Arguments) GTE 2) 
    delim = Arguments[2];
  return ArraySum(ListToArray(listStr, delim));
}