Use GNU shred for test files
Use GNU shred for test files

ctubio/LookingGlass,telephone/LookingGlass,Mujj/LookingGlass,telephone/LookingGlass,Mujj/LookingGlass,telephone/LookingGlass,Mujj/LookingGlass,KenBillionsYuan/LookingGlass,KenBillionsYuan/LookingGlass,KenBillionsYuan/LookingGlass,ctubio/LookingGlass,ctubio/LookingGlass