svn diff wrapper for vim with correct file names

#!/bin/sh

# use vimdiff to view diffs
DIFF="/usr/bin/vim -d -R"


NUM=$#  # number of arguments
LEFT=${6} # old file
RIGHT=${7} # new file
L_TITLE=${3} # actual name and revision of old file
R_TITLE=${5} # actual name and revision of new file

L_TITLE=`echo $L_TITLE | tr -s ' ' | sed 's/ /\\\\ /g'`
R_TITLE=`echo $R_TITLE | tr -s ' ' | sed 's/ /\\\\ /g'`

$DIFF $LEFT $RIGHT -c "setl stl=$L_TITLE | wincmd W | setl stl=$R_TITLE"