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jvanegmond

"Elf proef" script

4 posts in this topic

In Dutch banking there is a test called the elf proef to test whether or not any bank number is valid or not. The calculation algorithm is quite simple but I couldn't find any online checks at the time so wrote one of my own. Now I have found this tool where you can do it online: http://cgi.dit.nl/bank.cgi

You can find more about the algorithm here: http://nl.wikipedia.org/wiki/Elfproef

This is the script that checks a dutch bank account number and tells you whether it is valid or not:

$bankNumber = InputBox("Elf proef", "Enter a dutch bank account number")
if @error Then Exit

$l = StringLen($bankNumber)
if ($l <> 9 And $l <> 10) Then MsgBox(0, "Elf proef", "Every dutch bank account number has 9 or 10 digits. Your input is not valid because it has " & $l & " digits.")

$split = StringSplit($bankNumber, "")

$output = "Bank account number to be checked: " & $bankNumber & @CRLF

$n = 1
$total = 0
For $i = $split[0] To 1 Step -1
    $a = Number($split[$i]) * $n
    $output &= $split[$i] & " * " & $n & " = " & $a & @CRLF
    $n += 1
    $total += $a
Next
$output &= "____________ +" & @CRLF
$output &= "        " & $total & @CRLF & @CRLF

$div = $total / 11
$output &= $total & " / 11 = " & $div & @CRLF

$round = Round($div) == $div

If $round Then
    $output &= "This is a valid bank account number" & @CRLF
Else
    $output &= "This is NOT a valid bank account number" & @CRLF
EndIf

MsgBox(0, "Elf proef", $output)

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#2 ·  Posted (edited)

[dutch]

Kun je dit niet ook doen met een Persoonsnummer op je ID of paspoort?

[/dutch]

Edited by AlmarM

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burgerservicenummer.

Dat woord zocht ik! Ik dacht dit gehad te hebben tijdens het Wiskunde Examen 2009.

Minesweeper

A minesweeper game created in autoit, source available.

_Mouse_UDF

An UDF for registering functions to mouse events, made in pure autoit.

2D Hitbox Editor

A 2D hitbox editor for quick creation of 2D sphere and rectangle hitboxes.

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