Add "readable" option to hide unreadable files #35
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Using rofs as a filter, I decided to add an option to filter out unreadable files, such as dead symlinks and things you don't have permission to access on a remote file share.
I use this to filter a mounted share from a Windows machine, so the backup software the Linux box uses doesn't generate hundreds of errors for all the files the Windows user can see but can't access.
I also cleaned up some whitespace, and renamed the "name" variable to "path", as that's what's commonly passed to it.
Thought it might be useful for others, too.