How can I set an expression to the FileSpec property on Foreach File enumerator?

Question

I\'m trying to create an SSIS package to process files from a directory that contains many years worth of files. The files are all named numerically, so to save processing ever

Answer 1

The best you can do is use FileSpec to specify a mask, as you said. You could include at least some specs in it, like files starting with "201" for 2010, 2011 and 2012. Then, in some other task, you could filter out those you don't want to process (for instance, 2010).