diff --git a/bin/fflow b/bin/fflow
index 2519fd9..af770cd 100755
--- a/bin/fflow
+++ b/bin/fflow
@@ -1,21 +1,20 @@
 #!/usr/bin/env zsh
-# requires: ffmpeg
+setopt extendedglob
 # written by Steve Kinney (2018), licensed under CC BY-SA 4.0
-# audio -> 16/48K
+# audio -> 16/48K (lowers audio quality to 16/48k)
+# improvements made by fm'latghor / Leo Coogan <leocoogan@tutanota.com>
 
 IMG_FILES="^*.png ^*.PNG ^*.jpg ^*.JPG ^*.bmp ^*.BMP ^*.gif ^*.GIF ^*.tiff ^*.TIFF"
 
 for f in *.flac;
 do
-echo "Processing $f"
-ffmpeg -y -i "$f" -sample_fmt s16 -ar 48000 "${f%.flac}-16.flac"
+	echo "Processing $f"
+	ffmpeg -y -i "$f" -sample_fmt s16 -ar 48000 "${f%.flac}-16.flac"
 done
 
-while true; do
-	read -p "Delete original files? " yn
-	case $yn in
-		[Yy]* ) rm -- ^*-16.flac $IMG_FILES; exit;;
-		[Nn]* ) exit;;
-		* ) printf "Please answer yes or no. ";;
-	esac
-done
+if read -q "REPLY?Delete original files? "; then
+	exec 2>/dev/null
+	rm -- ^*-16.flac $IMG_FILES; exit
+else
+	printf "\nABORTING...\n"
+fi
diff --git a/bin/remove_old_kernels b/bin/rm_old_kernels
similarity index 100%
rename from bin/remove_old_kernels
rename to bin/rm_old_kernels