How to remove null from Coldfusion Lists

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Below is a code example to remove null values from a list in coldfusion.


<cfset exlist = ",,4,5,6,,7">

<cfdump var="#exlist#">

<cfset arr = ListToArray(exlist)>

<cfset exlist1 = arraytolist(arr)><br>

<cfdump var="#exlist1#"> 

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