minor bugfixes

to_vp9/to_vp9.sh

@@ -38,10 +38,10 @@ done
 
 # Choose an encoder
 while :; do
-	read -p "Choose an encoder [0]: " encoder
+	read -r -p "Choose an encoder [0]: " encoder
 	[[ $encoder =~ ^[0-9]+$ ]] || { echo "Enter a valid number"; continue; }
 	if ((encoder >= 0 && encoder < ${#encoders[@]})); then
-		encoder=$(echo ${encoders[$encoder]} | awk '{print $2}')
+		encoder=$(echo "${encoders[$encoder]}" | awk '{print $2}')
 		break
 	else
 		echo "Not a valid encoder, try again"
@@ -56,7 +56,7 @@ extension="${extension[*]}"
 extension=${extension// /|}
 
 for file in **/*.@($extension); do
-	echo $encoder
+	echo "$encoder"
 	
 	#https://wiki.archlinux.org/title/Hardware_video_acceleration