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 FileMaker Pro Custom Functions

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RemoveValue( theList ; value )

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  Average rating: 4.4  (36 votes)
  Discuss this Custom Function

Vaughan Bromfield, Vaughan Bromfield Design
mailto:vbromfield@optusnet.com.au

Removes the first value from a paragraph delimited list but leaves all other duplicate values in the list.

Sample Input:
RemoveValue("a¶b¶a¶c¶b¶c" ; "b" )
Sample Output:
a¶a¶c¶b¶c


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

Description:

RemoveValue( theList ; value )
by Vaughan Bromfield

Removes the first value from a paragraph delimited list but leaves all other duplicate values in the list. If the value is not in the list, the list is returned without modification.

Let(

[
newlist = "¶" & Substitute( theList ; "¶" ; "¶¶" ) & "¶" ;
pos = Position( newList ; "¶" & value & "¶" ; 1 ; 1 ) ;
pre = Left( newList ; pos - 1 ) ;
post = Right( newList ; Length( newList ) - ( pos + Length( value ) + 1 ) )
] ;

Case(

IsEmpty( theList ) ; "" ;

pos = 0 ; theList ;

Middle( Substitute( pre & post ; "¶¶" ; "¶" ) ; 2 ; Length( Substitute( pre & post ; "¶¶" ; "¶" ) ) - 2 )

)

)

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

Discuss:

Hello,

Could this be modified to do this:

Input: "1¶1¶2¶2¶1¶2"
Output 1¶2¶1¶2

??


I'm trying to do this but I'm stomped...

Mauricio Rodriguez, Villa de Leyva
May 02, 2016 9:34pm

What are you removing from the first list to get the output?

RemoveValue( "1¶1¶2¶2¶1¶2" ; ? ) = "1¶2¶1¶2"

Vaughan Bromfield, Sydney, Australia
May 02, 2016 9:38pm

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