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 FileMaker Pro Custom Functions

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Combine(decimal;ObjList)

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  Average rating: 4.2  (25 votes)
  Discuss this Custom Function

Erich Schmidt, N.N.
None

Get a substring under mask

Sample Input:
Combine(35;"ABCDEF")
Combine(2^3+2^2;"76543210")
Sample Output:
AEF
32


 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Description:

The function returns a substring of "ObjList". The binary form of "decimal" is considered as a mask that overlies the string "ObjList".
A character of "Obj List" is selected, if the coresponding character in the mask is 1.

The function call

CustomList ( 1 ; 2^4-1 ; "Combine ( [n] ; \"ABCD\" ) " ) returns a list with all subsets of "ABCD":

D
C
CD
B
BD
BC
BCD
A
AD
AC
ACD
AB
ABD
ABC
ABCD

For TEXT="TELEPHONE" returns

Let ( [ $N= Length ( TEXT ) ]; CustomList ( 1 ; $N ; "Combine ( 2^$N - 2^($N-[n]) ; TEXT )" ) ) ;

the list

T
TE
TEL
TELE
TELEP
TELEPH
TELEPHO
TELEPHON
TELEPHONE

For TEXT="AaBbCcDdEeFfGg" with

Let( [ $MyList= CustomList ( 1 ; Div ( Length ( TEXT ) ; 2 ) ; "2^(2*[n]-1)" ); S= Evaluate ( Substitute ( $MyList ; ΒΆ ; "+" ) ) ]; Combine ( S ; TEXT ));

you get "ABCDEFG"

Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it

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Answer 8 + 3 =
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