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 FileMaker Pro Custom Functions

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GetParameter( subParameter )

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Jeff Drake, Excelisys, Inc.
http://www.excelisys.com

Returns the specified “sub-parameter” of a given script parameter.

Sample Input:
"orderID = 250; " &
"customerName = " & Quote("Jim Smith") & "; " &
"lineItemID = 15690"
Sample Output:
GetParameter("customerName")

-returns-

Jim Smith


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

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed

Description:

Most methods of defining multiple script parameters require that the developer place the “sub-parameters” in a specific order and then call them by number. By using the Evaluate and Let functions, GetParameter( ) allows you to give each sub-parameter an intuitive name, then call it by name, regardless of where it falls in the full Script Parameter.

Not only is the order of the sub-parameters irrelevant, but so is the number of sub-parameters. If OrderID is the first of five subs in one Script Parameter and the eighth of fifteen in another, the function will work just as well.

Caveat: any sub-parameter that can conceivably be empty must be enclosed in a Quote( ) function. Otherwise, the Let( ) function within GetParameter( ) will fail.

Update: added error trapping for nonexistent subparameters.

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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