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jbuda/gist:5336245

Created April 8, 2013 11:48
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gistfile1.cfm
<cfscript>
colourArray = ["Red","Orange","Yellow","Green","Blue","Indigo","Violet"];
colourArrayTwo = ["Yellow","Green","Red","Violet"];
// duplicate one array as the result of retainAll remove the elements no present in both
// we want to keep the original array and return a new array
presentInBoth = duplicate(colourArray);
presentInBoth.retainAll(colourArrayTwo);
writeDump(presentInBoth);
</cfscript>
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