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I guess there are several UDFs that will do this. Anyway I have written some example code which I hope will help you.

#include <Array.au3> ; Needed for _ArrayDisplay()

Local $FileData = _ ; This data can be obtained using FileRead()
"564 507" & @CRLF & _
"570 480"
MsgBox(0, "$FileData", $FileData)

Local $aArray = StringSplit($FileData, @CRLF, 1) ; Split each line - Alternatively use _FileReadToArray() instead of FileRead() above.

Local $iRows = $aArray[0], $iCols = 0
For $i = 1 To $iRows ; This step can be omitted if we know how many columns we need.
    If StringInStr($aArray[$i], " ", 2, $iCols +1) Then ; Test each line for the delimiter string - Space
        While StringInStr($aArray[$i], " ", 2, $iCols +1)
            $iCols += 1
        WEnd
    EndIf
Next
$iCols += 1

Local $aTemp, $aMatrix[$iRows][$iCols]
For $i = 1 To $iRows
    $aTemp = StringSplit($aArray[$i], " ")
    For $j = 1 To $aTemp[0]
        $aMatrix[$i -1][$j -1] = $aTemp[$j]
    Next
Next

_ArrayDisplay($aMatrix)

MsgBox(0, "[0][0]", $aMatrix[0][0])
MsgBox(0, "[0][1]", $aMatrix[0][1])
MsgBox(0, "[1][0]", $aMatrix[1][0])
MsgBox(0, "[1][1]", $aMatrix[1][1])
Edited by czardas
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Pretty much the same thing. Remove the "2" parameter from StringSplit() if you like the usefullness of having the count in the first array element.

#include <Array.au3> ; Needed for _ArrayDisplay()
Local $FileData = "564 507" & @CRLF & "570 480" ; This data can be obtained using FileRead()
MsgBox(0, "$FileData", $FileData)

$string = StringReplace($FileData, @CRLF, " ")
MsgBox(0, "$FileData", $string)

Local $aArray = StringSplit($string, " ", 2) ;
_ArrayDisplay($aArray)
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