Taint checking is more designed for things like unsecure user input. If your directory is secure (not world reabable- useable by local trusted users, etc.), then taint checking doesn't offer much. You should check the files yourself with your own regex to ensure that they meet the limits of a certain length and file naming convention. if not, do not process it. If this is a directory where some generated files are created by user "filebot" then you probably don't even need to worry about that. I don't see taint checking particularly useful here, since I imagine that you are using an perl directive after a series of readdirs, right? not executing some shell commands which should be avoided anyway, right?

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