*First get Properties already exists
bash-3.2$ svn pg svn:externals
anidata -r 2253 ^/lib/js/anidata/trunk
audio -r 24051 ^/lib/js/audio/trunk
naturalsound -r 26164 ^/lib/js/naturalsound/trunk
xml -r 22437 ^/lib/js/xml/trunk
*second set Properties(exists and new)
bash-3.2$ svn ps svn:externals '
> anidata -r 2253 ^/lib/js/anidata/trunk
> audio -r 24051 ^/lib/js/audio/trunk
> naturalsound -r 26164 ^/lib/js/naturalsound/trunk
> xml -r 22437 ^/lib/js/xml/trunk
> date -r 29111 ^/lib/js/date/trunk
> ' .
property 'svn:externals' set on '.'
*Third update forder
bash-3.2$ svn up
Fetching external item into 'anidata'
External at revision 2253.
Fetching external item into 'audio'
External at revision 24051.
Fetching external item into 'naturalsound'
External at revision 26164.
Fetching external item into 'xml'
External at revision 22437.
Fetching external item into 'date'
A date/DateUtility.js
U date
Updated external to revision 29111.
Updated to revision 34280.
* commit changes
svn commit -m ' '