This one is perhaps one day too late for you, but not too late for the archive...

Go through the alphabet, or even better through the ascii-set, like in...

for n = 1 to 255
    nFnd = adir( aFile, chr( n ) + '*.*' )
    if nFnd > 0
        * process them
    endif
next

>I need to know the name of every single file in a directory
>
>I'm trying to run adir() in a very large directory about 100,000 files; the problem is that VFP array limit is 65,000 elements, so the names of the files do not fit in the array (I get an invalid subscript reference error).
>
>I could do "DIR *.* to file DIR.TXT" then extract the names from the text file. Is there any easyer way to get all the file names in the directory? or better in a string variable separated by commas?
>
>Thanks in advance