something about filter rules of rsync

[Matt McCutchen]

On Wed, 2009-11-25 at 21:20 +0800, 夏凯 wrote:
> i want rsync to include all the *.dat files(and the *.dat files in the
> subdirectory), and exclude all other files. how can i write the filter
> rules? i have read the man rsync, but i still got no idea to do it.
> for example, the result of find -printf "%y %p\n" is below:
> d .
> d ./1
> d ./1/a
> f ./1/a/a.c
> f ./1/a/a.d
> f ./1/a/a.dat
> f ./1/a/b
> f ./1/a.c
> f ./1/a.d
> f ./1/a.dat
> f ./1/b
> d ./2
> how can i only rsync all the *.dat files from 1 to 2? is there any way
> to do this without use find command?

>From the "INCLUDE/EXCLUDE PATTERN RULES" section of the man page:

        Here are some examples of exclude/include matching:
        
        The combination of “+ */”, “+ *.c”, and “- *” would include all
        directories and C source files but nothing else (see also the
        --prune-empty-dirs option)

-- 
Matt