>I'm working on a data transfer project where ARC files are expanded into new directories and ADIR() is used to return the file names and file count.
>When there are more than 65,000 files expanded, VFP 6.0 errors with Too many variables. (array limit reached).
>How can I test for the number of files prior to calling ADIR()???
>I considered running DIR * TO FILE (filename) but I figure, the overhead of
>writing a 65,000 line file to disk multiple times, is more than the system will bear.

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Another option using Filer.DLL (which is not distributable) is

oFiler = CREATEOBJECT( "Filer.FileUtil" )
WITH oFiler
	.SearchPath = "C:\"
	.FileExpression = "*.*"
	.SubFolder = 1
	.Find(0)
	FOR iFile = 1 TO 50	&& .Files.Count
		WITH .Files.Item(iFile)
			? .Name
			? .Path
			? .Name
		ENDWITH
	NEXT iFile
ENDWITH

I just tested this on my entire C drive and it had no problem with over 42,000 files.