Add script for generating thumbnails for all viedeos

recursive.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+exec 3> >(zenity --progress --title="generating thumbnails..." --percentage=0 --width=400 --no-cancel )
+echo "# searching for files..." >&3
+files=$(find . -name '*.webm')
+echo "$(tput setaf 2)The following files werde found:$(tput sgr0)"
+echo "$files"
+echo "----"
+num_files=$(echo "$files"| wc -l)
+a=1
+find . -name '*.webm' -print0 | while read -d $'\0' file # http://stackoverflow.com/a/15931055
+do
+    echo "$(tput setaf 2)$file$(tput sgr0)"
+	echo "# $file ($a/$num_files)" >&3;
+    ./thumbnail.sh "$file" best
+	echo "$a/$num_files*100" | bc -l >&3 #percentage
+	((a++))
+done
+
+echo "# finished generating thumbnails" >&3
+notify-send "Thumbnails" "finished" #im Paket libnotify-bin