[madmasles]

TERMINAL,
Попробуйте так:

Код:

#include <File.au3>

$TestPath = @ScriptDir
$iCount = 0
MsgBox(64, 0, $TestPath)
While 1
    $iCount -= 1
    $TestPath = _PathFull($TestPath & '\..')
    MsgBox(64, $iCount, $TestPath)
    If StringLen($TestPath) < 3 Then ExitLoop
WEnd