+case $# in
+ 0) TAR_ARCHIVE_FORMATS=${TAR_ARCHIVE_FORMATS:-v7 oldgnu ustar posix gnu}
+ for format in $TAR_ARCHIVE_FORMATS
+ do
+ $0 $format
+ R=$?
+ test $R -eq 0 || exit $R
+ done
+ exit 0;;
+ 1) if test "x$1" = xauto; then
+ TAR_OPTIONS=
+ else
+ TAR_OPTIONS="--format=$1"
+ fi;;
+ *) echo "Too many arguments" >&2
+ exit 2;;
+esac
+