replaced read command with POSIX-compliant printf

spells/cantrips/fathom-cursor

@@ -17,7 +17,7 @@ fathom_cursor() {
     done
 
     # Get the position of the cursor
-    position=$(IFS=';' read -sdR -p $'\E[6n' ROW COL; printf "%s;%s" "${ROW#*[}" "$COL")
+    position=$(IFS=';' printf "\033[6n" && IFS=';' read -r ROW COL; printf "%s;%s" "${ROW#*[}" "$COL")
 
     if [ $x = true ] && [ $y = true ]; then
         if [ $verbose = true ]; then