anchor.diff:  }
   
   function parse_args() {
  -    args=`getopt i:o:ryvh $*`
  +    args=`getopt i:o:rfyvh $*`
   
       if [ $? != 0 ] ; then
           print_usage
  
positive.code: }
  
  function unpack_payload(){
      if [ `find $INSTALL_DIR -prune -empty` ] ; then
          log "Unpacking payload . . ."
          local archive_line=$(egrep --text --line-number '__ARCHIVE__$' $0 | cut -f1 -d:)
          tail -n +$((archive_line + 1)) $0 | tar -C $INSTALL_DIR -xjf - > /dev/null || die "Failed to unpack payload from the end of '$0' into '$INSTALL_DIR'"
  
negative.code:     echo "      directory. Then create a 'current' symlink under install_root to the unpacked"
      echo "      directory once installation is complete replacing the symlink if it already "
      echo "      exists. If this flag is set just install into install_root directly"
      echo "  -f: force - Always overwrite existing installations"
      echo "  -y: yes - Don't prompt to clobber existing installations"
      echo "  -v: verbose - More output on installation"
      echo "  -h: help -  Display this message"
  