using old Xcode projects in Xcode 8 gives an error related to old RSRCS format relics:
/Users/ingconti/Library/Developer/Xcode/DerivedData/.......Products/Debug-iphoneos/MyApp.app: resource fork, Finder information, or similar detritus not allowed
Command /usr/bin/codesign failed with exit code 1
App will clean all detrita removing "com.apple.ResourceFork" and "com.apple.FinderInfo" keys.
NOTE: ONLY for programmers!
Usage: choose folder You want to clean, it will recursively traverse all subfolder removing "detritus"