On 11 Jun 2006 20:25:08 -0700, "Paulers" <SuperG***@gmail.com> wrote:

>Hello all,
>
>I have a log file that is appended to in real time by an application. I
>would like to write a loop in vb.net that reads new entires and parses
>them. I can get my application to open a file and read it all the way
>through but I can not get it to continue looping after the file is
>finished. I am trying to get the new additions to the log file to be
>displayed in a textbox in real time. Any help is greatly appreciated.

> My guess is that you are opening the file and leaving it open while
> you look for new data that is appended to the file by the other
> software. This will not work because if you do not close the file and
> re-open it, you will never know about any new data that is written to
> it by the other program. You may also be blocking the other program
> fom writing to the file.
>
> The way that I would do things would be to check for the file to see
> if it exists. If it does, then read in all the data from the file and
> then append it all to the end of a second log file and then delete the
> original log file. (I assume that the program that creates the log
> file in the first place will automatically create the file if it does
> not exist). Then all you need to do is to use a timer to check for the
> original file every so often and if it exists, read it in, append it
> to the second log file and delete the original exactly as described
> above. If the file does not exist, then do nothing.
>
>
> On 11 Jun 2006 20:25:08 -0700, "Paulers" <SuperG***@gmail.com> wrote:
>
> >Hello all,
> >
> >I have a log file that is appended to in real time by an application. I
> >would like to write a loop in vb.net that reads new entires and parses
> >them. I can get my application to open a file and read it all the way
> >through but I can not get it to continue looping after the file is
> >finished. I am trying to get the new additions to the log file to be
> >displayed in a textbox in real time. Any help is greatly appreciated.

> Hi Thomas,
>
> Actually another application is writing to the log file. I just need
> my application to continue looping displaying anything that should
> enter into the log file.
>
> I found a visual basic script that is doing the same thing. I just
> need to figure out how to do it in vb.net. CAn anyone help?
>
> 'scriptInAction is the control vairiable for the do util loop while
> 'scriptInAction is 1 the do loop continues
> 'either exit do or set scriptInAction to another number to end
> 'the script's loop
> ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
> '''''''''''''
> dim scriptInAction
> scriptInAction = 1
> currentLine = "0"
> Do While scriptInAction = 1
> If logFile.AtEndOfStream <> True Then
> currentLine = logFile.ReadLine
> If InStr (currentLine, exitScript) Then
> scriptInAction = 0
> End If
> If InStr (currentLine, masterName) And InStr (currentLine,
> commandPhrase) Then
> workingLine = StrReverse (currentLine)
> workingLine2 = Split (workingLine, commandDelimiter, 1, 1)
> workingLine = StrReverse (workingLine2)
> WshShell.SendKeys ("/" & workingLine & "~")
> End If
> End If
> WScript.echo currentLine
> WScript.Sleep 50
> currentLine = "holding"
> Loop
> Thomas Lutz wrote:
>
>> My guess is that you are opening the file and leaving it open while
>> you look for new data that is appended to the file by the other
>> software. This will not work because if you do not close the file and
>> re-open it, you will never know about any new data that is written to
>> it by the other program. You may also be blocking the other program
>> fom writing to the file.
>>
>> The way that I would do things would be to check for the file to see
>> if it exists. If it does, then read in all the data from the file and
>> then append it all to the end of a second log file and then delete
>> the original log file. (I assume that the program that creates the
>> log file in the first place will automatically create the file if it
>> does not exist). Then all you need to do is to use a timer to check
>> for the original file every so often and if it exists, read it in,
>> append it to the second log file and delete the original exactly as
>> described above. If the file does not exist, then do nothing.
>>
>> On 11 Jun 2006 20:25:08 -0700, "Paulers" <SuperG***@gmail.com> wrote:
>>
>>> Hello all,
>>>
>>> I have a log file that is appended to in real time by an
>>> application. I would like to write a loop in vb.net that reads new
>>> entires and parses them. I can get my application to open a file and
>>> read it all the way through but I can not get it to continue looping
>>> after the file is finished. I am trying to get the new additions to
>>> the log file to be displayed in a textbox in real time. Any help is
>>> greatly appreciated.
>>>