>>Have you tried the VFPCompression.fll from Craig Boyd? See link:
>>
>>http://www.sweetpotatosoftware.com/spsblog/SearchView.aspx?q=compression#a416ae65b-0af2-4145-8637-aa0d81d77637
>>
>>If you have to select all files, I suggest that you keep track of all files and then delete the ones that you do not want.
>
>It is not reliable.
>Too bad because it is fast
>and with a set of very valid API
>
>

>SET LIBRARY TO vfpcompression.fll
>? UnzipString(ZipString(REPLICATE('A',5677))) == REPLICATE('A',5677)
>? UnzipString(ZipString(REPLICATE('A',5678))) == REPLICATE('A',5678)
>

Strange, I've been using it for years and never noticed a problem. Have you reported this to Craig?