load/unload AppleCameraInterface

toggle-camera.bash

#!/usr/bin/env bash

toggle-camera() {
  if kextstat | grep AppleCameraInterface &>/dev/null; then
    for ((i=0; i<3; i++)); do
      if sudo kextunload /System/Library/Extensions/AppleCameraInterface.kext &>/dev/null; then
        echo "toggle-camera: AppleCameraInterface unloaded"
        return 0
      fi
    done
    echo "toggle-camera: failed to unload AppleCameraInterface"
  else
    if sudo kextload /System/Library/Extensions/AppleCameraInterface.kext &>/dev/null; then
      echo "toggle-camera: AppleCameraInterface loaded"
      return 0
    else
      echo "toggle-camera: failed to load AppleCameraInterface"
    fi
  fi
  return 1
}