4if [ -z $JPP_DIR ]; then
 
    5    echo "Variable JPP_DIR undefined."
 
    9source $JPP_DIR/setenv.sh $JPP_DIR >& /dev/null
 
   11set_variable:  DEBUG       MOVIE_DEBUG       3
 
   12set_variable:  DELAY       MOVIE_DELAY       2
 
   13set_variable:  WORKDIR     MOVIE_WORKDIR     ./
 
   16    usage "$script (input file)+"
 
   20    fatal "Wrong number of arguments."
 
   23echo -n "creating animated gif.."
 
   27export MAGICK_TMPDIR=$WORKDIR/.$$
 
   28export MAGICK_MEMORY=$((1<<12))
 
   32    -limit memory $MAGICK_MEMORY  \
 
   33    -limit map    $MAGICK_MEMORY  \
 
   44    -i $WORKDIR/.$$/m.gif         \
 
   50echo "enjoy watching m.mp4"