`$BUP_DIR/bupindex`.
\--exclude=*path*
-: exclude *path* from the backup; bup will not expand *path* in any
- way (may be repeated).
+: exclude *path* from the backup (may be repeated).
\--exclude-from=*filename*
: read --exclude paths from *filename*, one path per-line (may be
is updated; with two `-v`, print each file too.
-# EXAMPLE
-
+# EXAMPLES
bup index -vux /etc /var /usr