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Choose/Display Log file in real time


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I keep trying and trying but I keep failing... I was hoping someone could help me with this I need to make a autoit script that basically let's you choose a log file then displays its contents in real time in a dos box.

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You mean reading a file displaying its content and then updating the content in a loop e.g. every 10 ms ?

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Try this:

;Coded by UEZ Build 2010-06-30, thanks to KaFu for the hint ;-)
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#Include <File.au3>
#Include <GuiEdit.au3>
Opt("GUIOnEventMode", 1)

Global $iMemo, $new_line
$width = 1024
$height = 600
$hGUI = GUICreate("Realtime Log Reader by UEZ 2010", $width, $height, -1, -1, Default, $WS_EX_TOPMOST)
$iMemo = GUICtrlCreateEdit("", 0, 0, $width, $height, $ES_AUTOVSCROLL + $WS_VSCROLL + $WS_HSCROLL + $ES_READONLY)
GUICtrlSetLimit(-1, 0x7FFFFFFF)
GUICtrlSetFont($iMemo, 9, 400, 0, "Courier New")
GUISetState()
If $CmdLine[0] > 0 And FileExists($CmdLine[1]) Then
    $file = $CmdLine[1]
Else
    $file = @WindowsDir & "\WindowsUpdate.log"
EndIf
$hFile = FileOpen($file)
$txt = FileRead($hFile)

GUICtrlSetData($iMemo, $txt, 1)
_GUICtrlEdit_LineScroll($iMemo, 1, 0xfffffff)
$cl = _FileCountLines($file)
$fs = FileGetSize($file)

GUISetOnEvent($GUI_EVENT_CLOSE, "_Exit")

While Sleep(1000)
    $fs_new = FileGetSize($file)
    If $fs < $fs_new Then
        $cl_new = _FileCountLines($file)
        For $i = $cl + 1 To $cl_new
            $new_line &= FileReadLine($hFile, $i) & @CRLF
        Next
        GUICtrlSetData($iMemo, $new_line, 1)
;~      _GUICtrlEdit_LineScroll($iMemo, 0, 0xfffffff)
        $cl = $cl_new
        $fs = $fs_new
        $new_line = ""
    EndIf
Wend

Func _Exit()
    FileClose($hFile)
    GUIDelete($hGUI)
    Exit
EndFunc

It will read the WindowsUpdate.log and display it. If you run wuauclt /detectnow the log file will be updated and displayed in the GUI.

I don't know whether it will work properly... If not please report!

BR,

UEZ

Edited by UEZ

Please don't send me any personal message and ask for support! I will not reply!

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Try this:

#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#Include <File.au3>
#Include <GuiEdit.au3>
Opt("GUIOnEventMode", 1)

Global $iMemo, $new_line
$width = 1024
$height = 800
$hGUI = GUICreate("Test", $width, $height, -1, -1, Default, $WS_EX_TOPMOST)
$iMemo = GUICtrlCreateEdit("", 0, 0, $width, $height, $ES_AUTOVSCROLL + $WS_VSCROLL + $WS_HSCROLL + $ES_READONLY)
GUICtrlSetLimit(-1, 0x7FFFFFFF)
GUICtrlSetFont($iMemo, 9, 400, 0, "Courier New")

$file = @WindowsDir & "\WindowsUpdate.log"
$hFile = FileOpen($file)

$txt = FileRead($file)
MemoWrite($txt)
ControlSend($hGui, "", $iMemo, "{DOWN}")
_GUICtrlEdit_LineScroll($iMemo, 1, 0xfffffff)
$cl = _FileCountLines($file)
GUISetState()

GUISetOnEvent($GUI_EVENT_CLOSE, "_Exit")

While 1
    $cl_new = _FileCountLines($file)
    If $cl < $cl_new Then
        For $i = $cl + 1 To $cl_new
            $new_line &= FileReadLine($hFile, $i) & @CRLF
        Next
        MemoWrite($new_line)
        _GUICtrlEdit_LineScroll($iMemo, 0, 0xfffffff)
        $cl = $cl_new
    EndIf
    Sleep(500)
Wend

Func _Exit()
    FileClose($hFile)
    GUIDelete($hGUI)
    Exit
EndFunc

It will read the WindowsUpdate.log and display it. If you run wuauclt /detectnow the log file will be updated and displayed in the GUI.

BR,

UEZ

I get

"Auto it Error

Line 4291 (File "CENSORED\test.exe");

Error: Unknown function name."

Edited by foolet
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Ups, forgot that function....:mellow:

See my post with the code!

Sorry,

UEZ

Edited by UEZ

Please don't send me any personal message and ask for support! I will not reply!

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The own fart smells best!
Her 'sikim hıyar' diyene bir avuç tuz alıp koşma!
¯\_(ツ)_/¯  ٩(●̮̮̃•̃)۶ ٩(-̮̮̃-̃)۶ૐ

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I just added it.

; Write a line to the memo control
Func MemoWrite($sMessage)
;~  GUICtrlSetData($iMemo, $sMessage & @CRLF, 1)
    GUICtrlSetData($iMemo, $sMessage, 1)
EndFunc ;==>MemoWrite

BR,

UEZ

Edited by UEZ

Please don't send me any personal message and ask for support! I will not reply!

Selection of finest graphical examples at Codepen.io

The own fart smells best!
Her 'sikim hıyar' diyene bir avuç tuz alıp koşma!
¯\_(ツ)_/¯  ٩(●̮̮̃•̃)۶ ٩(-̮̮̃-̃)۶ૐ

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Check my 3rd post. I updated the script. It should work now that the latest entries will be displayed at the bottom.

BR,

UEZ

Please don't send me any personal message and ask for support! I will not reply!

Selection of finest graphical examples at Codepen.io

The own fart smells best!
Her 'sikim hıyar' diyene bir avuç tuz alıp koşma!
¯\_(ツ)_/¯  ٩(●̮̮̃•̃)۶ ٩(-̮̮̃-̃)۶ૐ

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Wow, man you are to much of a help! Everything is working well I just have ONE more thing to ask :mellow: Is there a way I can make it so there is no scroll from left to right and if the line fills up it will continue on the line under it?

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I don't know whether you mean this:

remove $WS_HSCROLL from line $iMemo = GUICtrlCreateEdit("", 0, 0, $width, $height, $ES_AUTOVSCROLL + $WS_VSCROLL + $WS_HSCROLL + $ES_READONLY).

BR,

UEZ

Please don't send me any personal message and ask for support! I will not reply!

Selection of finest graphical examples at Codepen.io

The own fart smells best!
Her 'sikim hıyar' diyene bir avuç tuz alıp koşma!
¯\_(ツ)_/¯  ٩(●̮̮̃•̃)۶ ٩(-̮̮̃-̃)۶ૐ

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Thanks so much I have a question. How come everytime a run this at least 1 line will stay out of order

:06-29-2010 20:23:05 Base: Got window event: origin=(112, 12) size=(800, 600) title="Window" !undecorated !fixed_size !fullscreen !foreground !minimized open !cursor_hidden icon:window.ico cursor:window.cur absolute 

:06-29-2010 20:19:40 Loader: starting bulk load of block 'StartWindow'

As you can see 20:19:40 is not the latest in the log file. This always happens some line will stray out of order and stay out of order messing up the viewing of the log.

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Indeed, there is something going wrong...

Found the problem -> forgot to erase the variable $new_line.

Code update in post#3

Sorry,

UEZ

Please don't send me any personal message and ask for support! I will not reply!

Selection of finest graphical examples at Codepen.io

The own fart smells best!
Her 'sikim hıyar' diyene bir avuç tuz alıp koşma!
¯\_(ツ)_/¯  ٩(●̮̮̃•̃)۶ ٩(-̮̮̃-̃)۶ૐ

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From a performance point of view, wouldn't it be better to wrap the function in a FileGetSize() check?

Global $nFilesize, $nFilesize_new
;....
$nFilesize_new = FileGetSize($File)
if $nFilesize < $nFilesize_new Then
    $nFilesize = $nFilesize_new
    ;....
    $cl_new = _FileCountLines($File)
    If $cl < $cl_new Then
    ;....
endif
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Good idea KaFu!

If you use a more frequent check of the file it is better to check the file size instead using _FileCountLines() which is reading the complete file to enumerate the lines!

Updated my post#3 again!

BR,

UEZ

Please don't send me any personal message and ask for support! I will not reply!

Selection of finest graphical examples at Codepen.io

The own fart smells best!
Her 'sikim hıyar' diyene bir avuç tuz alıp koşma!
¯\_(ツ)_/¯  ٩(●̮̮̃•̃)۶ ٩(-̮̮̃-̃)۶ૐ

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Hmmm, thinking about this, wouldn't it even be better not to clear the edit, but use the difference in size ($fs_new - $fs) to performa a FileSetPos() operation instead to move the read pointer to the new content and then do a FileReadLine() loop for new lines only? But I'm not quite sure if FileReadLine() works correctly in conjunction with FileSetPos() :mellow:.

Edit: The FileOpen() handle prevented me to write to the log via notepad... I'm not quite sure if this wouldn't be true for other programs too, thus I think it's better to close the handle once the data has been received. Of course this works only if new data is only appended to the log.

;Coded by UEZ Build 2010-06-30, tweaked by KaFu ;-)
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <File.au3>
#include <GuiEdit.au3>
Opt("GUIOnEventMode", 1)

Global $iMemo, $new_line
$width = 1024
$height = 600
$hGUI = GUICreate("Realtime Log Reader by UEZ 2010", $width, $height, -1, -1, Default, $WS_EX_TOPMOST)
$iMemo = GUICtrlCreateEdit("", 0, 0, $width, $height, $ES_AUTOVSCROLL + $WS_VSCROLL + $WS_HSCROLL + $ES_READONLY)
GUICtrlSetLimit(-1, 0x7FFFFFFF)
GUICtrlSetFont($iMemo, 9, 400, 0, "Courier New")
GUISetState()
If $CmdLine[0] > 0 And FileExists($CmdLine[1]) Then
    $file = $CmdLine[1]
Else
    ;$file = @WindowsDir & "\WindowsUpdate.log"
    $file = @ScriptDir & "\test.log"
EndIf
$hFile = FileOpen($file)
$txt = FileRead($hFile)

GUICtrlSetData($iMemo, $txt, 1)
_GUICtrlEdit_LineScroll($iMemo, 1, 0xfffffff)
FileClose($hFile)

$fs = FileGetSize($file)

GUISetOnEvent($GUI_EVENT_CLOSE, "_Exit")

While Sleep(1000)
    $fs_new = FileGetSize($file)
    If $fs < $fs_new Then
        $hFile = FileOpen($file,128)
        ConsoleWrite($fs_new - $fs & @crlf)
        FileSetPos($hFile, -($fs_new - $fs), 2)
        $new_line = FileRead($hFile)
        FileClose($hFile)
        GUICtrlSetData($iMemo, $new_line, 1)
        $fs = $fs_new
    EndIf
WEnd

Func _Exit()
    GUIDelete($hGUI)
    Exit
EndFunc   ;==>_Exit
Edited by KaFu
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