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ColdFusion How to pass a variable by reference

Posted on 2009-07-13
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Last Modified: 2012-05-07
I am using a com object that takes in a string of addresses and then presorts it for mailing purposes.  

What is supposed to happen is that you call the retrieve function with the string you submit to the send function and it is supposed to give back a resorted list.  The list never gets reordered and outputs the same list I input.  I think this is because I am not passing a variable that can be passed by reference.  What can I do to get back the reordered list?  I have tried to set a variable to the function call but it says the variable is not defined after I do that.
<cfquery datasource="MHL_DB" name="addresses">
	SELECT     TOP (200) ADDRESS_LINE1, ADDRESS_LINE2, CITY, STATE, ZIP_CODE, FIRST_NAME, LAST_NAME, PATIENT_ID
	FROM       PATIENT
    WHERE      CITY <> ''
    ORDER BY   LAST_NAME
</cfquery>
<cfdump var="#addresses#">
<cfset lstAddress = "">
<cfset test = "">
 
<cfset iterations = addresses.recordcount / 25>
 
 
<cfparam name="ps" default="">
 
<cfscript>
        _FieldDelimiter = chr(9);
		_RecordDelimiter = chr(10);
		_RecordCount = addresses.recordcount;
		_RecordBlockCount = 1;
		_TemmplateToUse = "Test";
		addressSort = "";
	    szInput = "FLD_RECORD_ID" & _FieldDelimiter & "FLD_FIRST_NAME" & _FieldDelimiter 
                & "FLD_LAST_NAME" & _FieldDelimiter & "FLD_ADDRESSLINE1" & _FieldDelimiter 
                & "FLD_ADDRESSLINE2" & _FieldDelimiter & "FLD_CITY" & _FieldDelimiter 
                & "FLD_STATE" & _FieldDelimiter & "FLD_ZIPCODE" & _FieldDelimiter & "FLD_DPC";
        szOutput = "FLD_RECORD_ID" & _FieldDelimiter & "FLD_PRESORT_ID" & _FieldDelimiter 
                & "FLD_PACKAGE_NUMBER" & _FieldDelimiter & "FLD_TRAY_NUMBER" & _FieldDelimiter 
                & "FLD_ENDORSEMENT_LINE" & _FieldDelimiter & "FLD_DP_BARCODE" & _FieldDelimiter 
                & "FLD_ADDRESSLINE1" & _FieldDelimiter & "FLD_ADDRESSLINE2" & _FieldDelimiter 
                & "FLD_CITY" & _FieldDelimiter & "FLD_STATE" & _FieldDelimiter & "FLD_ZIPCODE";
				
 
        ps = createObject("COM","MRTKTask.PresortTask.1");
		ps.SetProperty(203,"localhost:5150"); //mrtkMAILROOM_SERVER_LIST
 
		ps.PrepareTask();
		ps.SetProperty(151, _TemmplateToUse); //mrktTemplate_NAME_TO_USE
		ps.SetProperty(303, 0); //ptSHOW_SORT_PROPERTY
		ps.SetProperty(312, 0);  //ptCASS_CERTIFY_FIRST
		ps.SetProperty(307, 0); //ptENABLE_CASS_PROCESSING
		ps.SetProperty(325, 0); // ptSHOW_PAGE_SETUP
		ps.SetProperty(304, 0); // ptHIDE_SORT_PROGRESS
		ps.SetProperty(300, "Presort List Test"); // ptFORM_NAME
		ps.SetProperty(301,_RecordCount); //ptRECORD_COUNT
		ps.SetProperty(302,2); //ptSORT_RESULTS_FLAG
		ps.SetProperty(310,_RecordBlockCount); //ptRECORD_COUNT_PER_RECEIVE
		ps.SetProperty(202,_RecordBlockCount); //mrtkINPUT_BLOCK_RECORD_COUNT
		ps.SetProperty(175,_FieldDelimiter); //mrtkDELIMITER_FIELD
		ps.SetProperty(176,_RecordDelimiter); //mrtkDELIMITER_RECORD
		ps.SetProperty(200,szInput); //mrtkFIELD_LIST_IN
		ps.SetProperty(201,szOutput); //mrtkFIELD_LIST_OUT
 
		
		ps.ValidateProperties(); 
		
		totalRecords = addresses.recordcount;
		rounds = totalRecords;
		startRow = 1;
		endRow = 25;
 
		
		for (i = 1; i LTE _RecordBlockCount; i++){
			addressLine = "";
			for ( intRow = startRow; intRow LTE _RecordCount; intRow++ ){
							tempString = "";
							tempString = addresses["PATIENT_ID"][intRow] & _FieldDelimiter & addresses["FIRST_NAME"][intRow] & _FieldDelimiter 
							& addresses["LAST_NAME"][intRow] & _FieldDelimiter & addresses["ADDRESS_LINE1"][intRow] & _FieldDelimiter 
							& addresses["ADDRESS_LINE2"][intRow] & _FieldDelimiter & addresses["CITY"][intRow] & _FieldDelimiter 
							& addresses["STATE"][intRow] & _FieldDelimiter & addresses["ZIP_CODE"][intRow] & _RecordDelimiter;
			addressLine = listAppend(addressLine,tempString,_RecordDelimiter);	
	//		addressLine = tempString;
		//WriteOutput("<pre>" & addressLine & "</pre>");
			//
			}
 
			startRow = startRow + _RecordBlockCount;
			//endRow = endRow + 25;
			//WriteOutput("<pre>" & addressLine  & "</pre>");
			ps.SendV(addressLine);
		}
		//
		
		
	ps.DoSort();
	
ps.Retrieve(addressLine);
		
 
WriteOutput("<pre>" & addressline & "</pre>");
 
        ps.EndTask();
 
		
		
</cfscript>

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Question by:monica73174
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monica73174 earned 0 total points
ID: 24854519
I figured it out.  You need to pass in the variable with quotes when passing by reference instead of by value.  

ps.Retrieve("addressLine");
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