CFLib.org – Common Function Library Project

Description:
ListTrim accepts a list and an optional delimiter value (defaults to comma if not passed), and then returns the same list of trimmed values.

Return Values:
Returns a string.

Example:

<cfset origList = "ray, jacob, lynn, noah, luke, anakin, walt, 4, 8, 15, 16, 23, 42">
<cfoutput>#listTrim(origList)#</cfoutput>

Parameters:

Full UDF Source:

/**
 * Returns the list which was passed in after having trimmed each list item.
 * 
 * @param ThisList      List to trim. (Required)
 * @param ThisDelimiter      List delimiter. Defaults to a comma. (Optional)
 * @return Returns a string. 
 * @author Christopher Jordan (cjordan@placs.net) 
 * @version 1, May 8, 2006 
 */
function listTrim(ThisList) {
    var i = 0;
    var ThisDelimiter = ",";
    var ThisListItem = "";
    var ThisTrimmedList = "";
        
    // check for passed delimiter
    if(ArrayLen(Arguments) EQ 2){
        ThisDelimiter = Arguments[2];
    }
    for(i = 1; i LTE ListLen(ThisList,ThisDelimiter); i = i + 1){
        ThisListItem    = Trim(ListGetAt(ThisList,i,ThisDelimiter));
        ThisTrimmedList = ListAppend(ThisTrimmedList,ThisListItem,ThisDelimiter);
    }
    return ThisTrimmedList;
}