Marking all new files as ‘added’ with Subversion from the shell
To ‘svn add’ all new files in the current folder (and in those below it), use:
svn status | awk '/^\?/ {print $2}' | xargs svn add
I’ve set up an alias in my .bash_profile - ‘svnaddall’ - as a shortcut to this.
Source: http://wiki.rubyonrails.org/rails/pages/HowtoUseRailsWithSubversion