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 FileMaker Pro Custom Functions

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While ( condition ; function ; limit )

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  Average rating: 3.5  (91 votes)
  Discuss this Custom Function

Hisc, no company
http://nourl

Allows to use a while in FileMaker

Sample Input:
Let([
$var = 0;
_ = while ( "$var<350000" ; "$var=$var+1"; "" )
];
$var
)
Sample Output:
350000


 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:

this functions allows using a while function in FileMaker.
A limit of iterations may be specified; else, the limit will be set as 10000.
The function checks for error in the syntax of the condition and of the function

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:

I'm sorry: I created this function and it's rated 1.1. I'm unaware of the problems in it. Please, comment here what is wrong with it:
- is the syntax failing?
- is there already another custom function that does the same?
- is it too slow? Too limited?
- is it lacking in technical capabilities or technical definition?

Hisc, Brazil
September 07, 2015 5:15am

I wondered that yesterday I saw 5.0 on 2 votes become 2.0 on 40 votes now, but I think get it why.
This function is difficult to use, since it become infinite loop very easily if the parameters not given correctly, then FM freezes while recursion reached at limit of 500,000 (about 50sec). Many of trier might think this as something "crasher".

I like this type of challenge, but calling another recursive function in recursion makes easily up limit to about 50,000^2, isn't it?

And although if the result is correct, freezing (not responding) about 50sec is not kind for user.

unin, Japan
September 07, 2015 8:47pm

I made some changes. I believe it will now be more suited to the needs.
It checks for error in the condition and in the function;
It establishes a limit for iteractions;

thanks for the help, Unin

Hisc, Brazil
September 08, 2015 6:34am

Please, consider that the current rating – 2.1 stars – doesn't reflect in the actual code, which was heavily rewritten in 09/08/2015.

Hisc, Brazil
September 08, 2015 4:45pm

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