Be more secure in the use of "read"

bin/blackbox_edit

@@ -9,7 +9,7 @@ set -e
 for param in """$@""" ; do
   unencrypted_file=$(get_unencrypted_filename "$param")
   if  [[! is_on_cryptlist "$param" ]] && [[! is_on_cryptlist "$unencrypted_file" ]] ; then
-    read -p "Encrypt file $param? (y/n) " ans
+    read -r -p "Encrypt file $param? (y/n) " ans
     case "$ans" in
       y* | Y*)
         blackbox_register_new_file "$param"