reverted with fix

spells/cantrips/ask_yn

@@ -1,5 +1,8 @@
 #!/bin/sh
 
+# Define ask_yn, which asks a yes or no question and defaults to the specified choice.
+# Outputs 1 for yes and 0 for no
+
 ask_yn() {
     default=${2:-"y"}
     default=$(printf "%s" "$default" | tr '[:upper:]' '[:lower:]')
@@ -12,14 +15,14 @@ ask_yn() {
     esac
     
     while true; do
-        trap 'exit' INT
+        trap 'stty sane; exit' INT
         printf "%s (%s): " "$1" "$prompt"
-        read -r answer || exit
-        if [ -z "$answer" ]; then
-            answer="$default"
-            break
-        fi
+        stty raw -echo
+        answer=$(head -c 1) || exit
+        stty -echo
+        printf "\n"
         case "$answer" in
+            "" ) answer="$default"; break;;
             y|Y) answer="y"; break;;
             n|N) answer="n"; break;;
         esac
@@ -29,4 +32,6 @@ ask_yn() {
         y|Y) printf "1";;
         n|N) printf "0";;
     esac
-}
+}
+
+ask_yn "$@"