On Sunday 11 November 2007, Neil Aggarwal wrote: > Shawn: > > Thanks for the tip, but I don't think I can ask the > client to provide md5s of the input files. That > would be too much to ask. > > Any other ideas? > > Neil I assumed the uploads where automated. It would have been simple in that case. Even using Windows. :) Are the file names unique? You could test the age of each file to make sure it hasn't been modified in over a minute or something... Shawn