4if [ -z $JPP_DIR ]; then
 
    5    echo "Variable JPP_DIR undefined."
 
    9source $JPP_DIR/setenv.sh $JPP_DIR >& /dev/null
 
   11set_variable:  DEBUG    ACOUSTICS_DEBUG    2
 
   12set_variable:  TYPE     ACOUSTICS_TYPE     JEvent
 
   15    usage "$script (input file)+ <output file>"
 
   19    fatal "Wrong number of arguments."
 
   22set_array     INPUT_FILES         $argv[1,-2]
 
   23set_variable  OUTPUT_FILE         $argv[-1]