dry running switch command

Hi all,
I'm trying to reproduce the 'svn switch [url] [path]' to print the log
before executing the command. Basicly i'm trying to get a dry-run of the
switch command (so I can list all changes made, and therefor choose the
ones I'm actually going to make).
I don't know why, but 'svn --dry-run sw blabla' doesn't work... I've also
tried the merge command, with different syntax, and none of them is good.
In fact, I added manually the files in the branche dir, so merge is not
able to list the differences between to files, but only that it has been
deleted, then added.
D AUTHORS
A AUTHORS
D TODO
A TODO
D ChangeLog
A ChangeLog

does anybody knows how to "dry-run" the switch command?
thanx for your help.

-- 
Erwan Lacoste
Stagiaire
RHAPSO
1, rue Galvani
91300 Massy
Tel +33 (0)1 60 13 79 50
Fax +33 (0)1 69 32 19 61
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