Write to text file returns no error even if the underlying file is deleted

Hi,
I'm using a CompactRIO and writing to a text file underneath the C drive.
I'm running into an unexpected situation when I am trying to error check my file handling.  I assumed that if the underlying file being written to that was created by open/create/replace vi and written to with the "Write to Text File" vi, would return an error if I delete the file from underneath it in the file system., yet there is no reported error and the function carrys on seemingly successfully writing to a file that has been deleted.  
Anyone know why this happens and how to potentiallly remedy?

Ouch, this obviously isn't ideal but is probably down to the filesystem on the CompactRIO.
I would consider putting in a check - doing something like getting the file position from the file might return an error if the file no longer exists.
Certified LabVIEW Architect, Certified TestStand Developer
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