Undoing an Add

Use the revert, but do it carefully.  It will remove files.

Basic Work Cycle

http://svnbook.red-bean.com/en/1.1/ch03s05.html

Update working copy

svn update

Make changes

svn add

svn delete

svn copy

svn move

Examine changes

svn status

svn diff

svn revert

Merge others' changes

svn update

svn resolved

Commit changes

svn commit

How to Find Changed Files in SVN

svn status

Gives a list of files that satisfy one of the following requirements:

1. Not in the repository
2. Changed (Modified)
3. Deleted

Found at this link:  http://www.abbeyworkshop.com/howto/misc/svn01/