DeduplicateList ( input ; output )
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Peter Roots, N/A
N/A
Removes duplicates from a return-delimited list of values
Sample Input:
| DeduplicateList ( "apple¶pear¶apple¶orange" ; "" ) |
|
Sample Output:
|
Description:
Removes duplicates from a return-delimited list of values, such as would be provided by FileMaker's List function. Not case-sensitive; retains the first instance of each value.
- input is the initial list;
- output is initially empty
For example,
DeduplicateList ( "Apple¶pear¶apple¶orange" ; "" ) =
"Apple¶pear¶orange"
Note: these functions are not guaranteed
or supported by BrianDunning.com. Please contact the individual
developer with any questions or problems.
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How about case sensitive version ?
RemoveDuplicate( str )
Case ( ValueCount ( str ) < 2 ; str ; Let ( v1 = GetValue ( str ; 1 ) ; List ( v1 ; RemoveDuplicate ( Let ( s = Substitute ( ¶ & str & ¶ ; [ ¶ & v1 & ¶ ; ¶ ] ; [ ¶ & v1 & ¶ ; ¶ ] ) ; Middle ( s ; 2 ; Length ( s ) - 2 ) ) ) ) ) )
unin, japan
January 21, 2010 10:38pm