Use tkdiff to view changes in subversion

To use tkdiff to view changed files in an svn repository put the following in a script called svndiff somewhere in your path, and make it executable:

#! /bin/bash
# Script to use a visual differ to view svn changes,
# supporting multiple files in one session

SVN=/usr/local/bin/svn
DIFF=tkdiff

args=""
sep=""
while read pair; do
 args="$args $sep $pair"
 sep=":"
done < <($SVN diff "$@" --diff-cmd echo | \
         awk '/^-L/ {gsub(/\/tmp\/tmp/, "/dev/null"); print $(NF-1), $NF; next}')
$DIFF $args