diff --git a/kiss/ffmpeg_splitter.sh b/kiss/ffmpeg_splitter.sh
index 6e704f6b7339f615172e902b20306498a234f9e1..4b848d86125b5b044433ce7d5d90fe6c36dccdf2 100755
--- a/kiss/ffmpeg_splitter.sh
+++ b/kiss/ffmpeg_splitter.sh
@@ -4,24 +4,21 @@
 # seconds overlap (for upload to youtube)
 
 # USAGE: read comments and adjust where necessary, then:
-# ./ffmpeg_splitter.sh <inputvideofile>
+# ./ffmpeg_splitter.sh <inputfile>
 ####################################################################
 
 
+# use globbing to get basename and extension.
 # see http://linuxgazette.net/18/bash.html
 fname=$1           # the file name
 bname=${fname%%.*} # the file basename
 ext=${fname#*.}    # the file extension
 
 
-# first, re-encode with every frame as keyframe
-ffmpeg -g 1 -i  cstex81-session01-100-new2.wmv   
-
-
-
-for i in {1..5}  # Assumption that no video is longer than 5*15=75min
+for i in {1..5}  # Naive assumption that no video is longer than
+                 # 5*15=75min. Please adjust!
 do                                                                     
-    ffmpeg -vcodec copy -acodec copy -ss $[i*890 - 890] -t 899.999 -i $1 ${$1%%.*}-part0$i.$(echo $1 | sed 's/.*\.//')
+    ffmpeg -vcodec copy -acodec copy -ss $[i*890 - 890] -t 899.999 -i $1 $bname-part0$i.$ext
 done