if [ -d $r_item_rmgit ];then
read -p "$r_item_rmgit exit, replace it [Y/n]: " REPLACE
case $REPLACE in
[yY][eE][sS]|[yY])
REPLACE="yes"
echo "replace $r_item_rmgit."
rm -rf $r_item_rmgit
;;
[nN][oO]|[nN])
REPLACE="no"
echo "do not replace $r_item_rmgit."
;;
*)
echo "Input error, should be [Y/n]."
exit 1
esac
fi