rsync exclude patterns

rsync.sh

# /dir/   means exclude the root folder /dir
# /dir/*  means get the root folder /dir but not the contents
# dir/    means exclude any folder anywhere where the name contains dir/
#   Examples excluded: /dir/, /usr/share/mydir/, /var/spool/dir/
# /dir    means exclude any folder anywhere where the name contains /dir
#   Examples excluded: /dir/, /usr/share/directory/, /var/spool/dir/
# /var/spool/lpd//cf means skip files that start with cf within any folder within /var/spool/lpd
#
# include, +
# exclude, -
#
# '*' matches any non-empty path component (it stops at slashes).
# '**' to match anything, including slashes.
# '?' matches any character except a slash (/).
# '[' introduces a character class, such as [a-z] or [[:alpha:]].
# in a wildcard pattern, a backslash can be  used  to  escape  a  wildcard character, but it is matched literally when no wildcards are present.