How can I monitor FTP folder for new file upload

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I am using FileSystemWatcher to watch FTP location. When new file is arrived, created event is fired,and when file is uploaded, change event is fired. Now, problem is when file is uploaded from any client application, then an user may pause-resume or abort uploading, then also Change event is triggered. Also, when uploading file is paused for few seconds and resumed, again Changed event is triggered on successfully upload.

In this scenario, how I can identify, whether file is completely uploaded, after many pause/resume or cancellation?

Posted 10-Jan-14 1:03am

Kunal1410

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Deviprasad Das · Answer 1 · 2014-01-10T01:19:00

FileSystemWatcher is not trust worthy.

Instead of FileSystemWatcher you can go with timer.
Set a timer and look inside the folder after particular interval, when you see a new file do the operation.

Situations when FileSystemWatcher will fail:
1. When you are using Network drives for storage.
2. Sometimes it will eat out the notification and will not notify.