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 FileMaker Pro Custom Functions

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GetNthCdataContents ( xmlToSearch ; n )

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  Average rating: 4.6  (20 votes)
  Discuss this Custom Function

Cristos Lianides-Chin, inRESONANCE
http://www.inresonance.com

Gets the contents of the nth CDATA instance within an XML blob.

Sample Input:
GetNthCdataContents ( "<DATA><![CDATA[<idStaff>T00183</idStaff><modified>2015-07-29 11:50:31</modified>]]></DATA> <DATA><![CDATA[<idStaff>T00184</idStaff><modified>2015-07-29 11:50:31</modified>]]></DATA>" ; 2 )
Sample Output:
<idStaff>T00184</idStaff><modified>2015-07-29 11:50:31</modified>


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

Description:

GetNthCdataContents ( xmlToSearch ; n )

PURPOSE:
Gets the contents of the nth CDATA instance within an XML blob.

RETURNS:
Text string, of the data contained between the opening and closing CDATA tags.

EXAMPLE:
CALL:
GetNthCdataContents ( "<DATA><![CDATA[<idStaff>T00183</idStaff><modified>2015-07-29 11:50:31</modified>]]></DATA> <DATA><![CDATA[<idStaff>T00184</idStaff><modified>2015-07-29 11:50:31</modified>]]></DATA>" ; 2 )
RESPONSE:
"<idStaff>T00184</idStaff><modified>2015-07-29 11:50:31</modified>"

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:

Sorta works.
However, if you ask for N outside the range of actual values, it does not work correctly. For instance, in your example, which has two occurrences of CDATA, ask for N with a value of 5. Oops.

Bruce, Redmond WA
October 01, 2015 4:14pm

Thanks for pointing out the issue, Bruce. I've updated the code to return "?" if *n* is out-of-bounds.

Cristos Lianides-Chin, Portland, ME
October 01, 2015 5:25pm

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