Bash function for making svn more usable

.bashrc

svn() {
  case "$1" in
  "log")
    `which svn` log $2 | perl -l40pe 's/^-+/\n/'| less
    ;;
  "diff")
    `which svn` diff $2 | vim -R -
    ;;
  "st" | "status")
    `which svn` status $2 | grep '^\s*[\?MDRCIA!~]'
    ;;
  *)
    `which svn` "$@"
  esac
}