find -name "*.SlackBuild"|while read -r i; do
	sed -i 's#tar xvf#tar xf#' "$i"
done
for i in  build-deps.sh build-core.sh build-apps.sh; do
	! grep -q LOG $i && \ 
	sed -i 's#SlackBuild |#SlackBuild 2>\&1 | tee LOG |#' "$i"
done