<cms:ignore>
/*
    
    More info: https://www.couchcms.com/forum/viewtopic.php?f=8&t=11368&p=30031#p30031
    
    Sample usage:
        
    (1)
        <cms:set numbersToSum='10,20,30,40' />
        <cms:embed 'sum.html' data='numbersToSum' result='totalSum' ></cms:embed>
        <cms:show totalSum />

    (2)

        <cms:set peopleAgeData='16,23,55,82,30' />
        <cms:embed 'sum.html'  data='peopleAgeData' result='sumOfAges' count='peopleCount'></cms:embed>
        <cms:set averageAge = "<cms:div sumOfAges peopleCount />" />
        <cms:show averageAge />

    
*/
</cms:ignore>
<cms:hide>

    // Receive passed values:
    
    // Explanation: 'fdata' will have content of variable whose name is stored in argument 'data'. 
</cms:hide>
<cms:set fdata = "<cms:get data />"  scope='local' />
<cms:set fresult = '0' scope='local' />
<cms:hide>

    // Perform calculations:
    
</cms:hide>
<cms:each fdata sep=',' >
    <cms:set fresult = "<cms:add fresult item />" scope='local' />
    <cms:if k_last_item ><cms:put var=result value=fresult scope='global' /><cms:ignore>// function doesn't know where to put results, but target variable's name is stored in 'result'</cms:ignore>
        <cms:if count ><cms:put var=count value=k_total_items scope='global' /></cms:if>
    </cms:if>
</cms:each>
<cms:dump_all />