Get Duplicates (ServiceNowDevProgram#1482)

* script.js

* readme.md

Author: Jaspalsinghchot

Background Scripts/Get Duplicate/readme.md

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+Using GlideAggregate function to find out tickets (tasks) with same number. OOB there happens to be a Unique checkbox at dictionary level
+and if in case not set to True it might create duplicate numbered tickets.
+Script will help find, ticekts if any.

Background Scripts/Get Duplicate/script.js

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+var dpchk = new GlideAggregate('task');               
+dpchk.groupBy('number');                             
+dpchk.addHaving('COUNT', '>', 1);
+dpchk.query();
+while(dpchk.next())	
+{
+		gs.print(dpchk.number);                               
+}