FOLDER=$1
if [ -z ${FOLDER} ]; then
    echo usage $0 [folder_to_add_license]
    exit
else
    echo good
fi

FILES=`find ${FOLDER} \
| grep -E "(*\.cpp$|*\.h$|*\.cu$)" \
| grep -v thirdparty \
| grep -v cmake_build \
| grep -v cmake-build \
| grep -v output \
| grep -v "\.pb\."`
echo formating ${FILES} ...
for f in ${FILES}; do
  if (grep "Apache License" $f);then 
    echo "No need to copy the License Header to $f"
  else
    cat cpp_license.txt $f > $f.new
    mv $f.new $f
    echo "License Header copied to $f"
  fi 
done