Excluding Documents From UITableView

Somehow on the simulator, it has gotten the data from a file that doesn't exist, yet persists in the simulator's memory. Because apps are sandboxed, it must be from an early method that I neglected to delete, but searching through开发者_JAVA百科 my app's methods, none of them CREATE files, just view them.

My question is this: can data be excluded from a UITableView that is displaying content from the app's

\documents    

folder? I only want to display files that end in .pdf.

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Iterate through each file and look for the suffix .pdf. See NSString hasSuffix