Command Reference : String and Date Function Reference
  
 
@wunique
Syntax: @wunique(str_list)
Argument: string list, str_list
Return: string list
Returns str_list with duplicate elements removed from the list. This function is case-sensitive.
Example:
@wunique("fr1 fr2 fr1")
returns the string “fr1 fr2”. Note that this function is case-sensitive, such that
@wunique("a A b B c c")
returns the string “a A b B c”.
See also @wnotin.