Install
Download the script:
wget http://svn-ignore.googlecode.com/hg/svn-ignore.bash
Load it (to make this permanent you should put this line in your .bashrc):
source svn-ignore.bash
Usage
Example 1:
$ cd your-svn-working-copy $ svn-ignore-add file-you-want-ignore
Example 2:
$ svn-ignore-add your-svn-working-copy/file-you-want-ignore