data logging

Hi,

I am trying to write data to a file.  I am using Open/Create/Replace file outside a While loop, Format into String and Write to Text File within the While loop, and finally, Close File outside the While loop.  I check errors before entering Format Into String, after Write to Text File and after the Close File.  There are no errors reported, but there is no data file in the directory.  I have tried this with Write to Binary File too with the same result: no data file.  Any help would be appreciated!