filesystemwatcher and read from file

[emanl]

I have an app which will continuously write to a file, appending data. I need
to be notified of that write and be able to read from it starting off at
where the appended data begins.
I know how to get the notifications using the filesystemwatcher(although the
onchanged event for a file update is triggered twice and I need to figure out
how to turn off the second hit or identify it as redundant)

What is the best way of returning to the file once I am notified it has
changed and reading the appended data only back(possibly to another file)?

How should I open these files permission wise?

Thanks

[jeremiah johnson]

Sounds like you want to 'tail' the file. This is a system utility in
Unix, and it comes on every Unix system I've used. You probably didn't
know this, but when I searched on Google for "C# tail" this was the
first result, and exactly what you are looking for:

http://www.codeproject.com/csharp/WinTail.asp

Hope this helps.

jeremiah

emanl wrote:

I have an app which will continuously write to a file, appending data. I need
to be notified of that write and be able to read from it starting off at
where the appended data begins.
I know how to get the notifications using the filesystemwatcher(although the
onchanged event for a file update is triggered twice and I need to figure out
how to turn off the second hit or identify it as redundant)

What is the best way of returning to the file once I am notified it has
changed and reading the appended data only back(possibly to another file)?

How should I open these files permission wise?

Thanks

[Jeffrey Tan[MSFT]]

Hi emanl,

Does the article jeremiah provided meet your need? If you have any concern,
please feel free to tell me, thanks.

Best regards,
Jeffrey Tan
Microsoft Online Partner Support
Get Secure! - www.microsoft.com/security
This posting is provided "as is" with no warranties and confers no rights.