>I am using FILE() with a full path and a full file name. It works great unless the file is located directly under the root. FILE('C:\upload.txt') will return .T. as long as upload.txt is in the path. It does not matter that c:\upload.txt does not exist.
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>Is this known behavior for FILE()? What are my other options?

llExists = (adir(laFile, "C:\upload.txt") = 1)

HTH,