Delete last line from log file

[lrstndm]

Hai all,

I have an script with an log file

In the log file are variables

If i click on the delete button i want that the last line of the log file will delete

can someone help me plz

Thanks in advance

#include <ButtonConstants.au3>
#include <EditConstants.au3>
#include <GUIConstantsEx.au3>

;The GUI
$Form1 = GUICreate("Form1", 249, 91, 192, 124)
$delete = GUICtrlCreateButton("Delete", 121, 40, 81, 25)
GUISetState(@SW_SHOW)

While 1
    Local $msg
    $msg = GUIGetMsg()
    Select
        Case $msg = $GUI_EVENT_CLOSE
            ExitLoop
        Case $msg = $undo
            ;Here needs to come the command

    EndSelect
WEnd

Edited October 19, 2010 by lrstndm

[BugFix]

Try this:

#Include <File.au3>
$sLogPath = 'YourLogPath'
$iCount = _FileCountLines($sLogPath)
_FileWriteToLine($sLogPath, $iCount, '', 1)

[water]

Why do you want to delete lines from a log file?

In my opinion a log file should permanently store information about what happened. And therefore should not be changed.

If you want to store some information temporarely then use another file.

Just my 2 cents.

[lrstndm]

Thanks all

and water i know what you mean but it is too difficult to explain