# set colours for use in PROMPT
COLOUR1=$'\e[0;32m'
COLOUR2=$'\e[0m'
# if i am root, use RED
[[ "$UID" = "0" ]] && COLOUR1=$'\e[0;31m'
PROMPT="(%B%{$COLOUR1%}%m%{$COLOUR2%}[%{$COLOUR1%}%h%{$COLOUR2%}]:%{$COLOUR1%}%~%{$COLOUR2%})%{$COLOUR1%}%%%{$COLOUR2%}%b "
export PROMPT
# check whether we're in an xterm
case $TERM in (xterm*|rxvt)
      # set the terminal title (precmd is executed before each prompt)
      precmd () {print -Pn "\e]0;%n@%m: %~\a"}
      # substitute cwd for current command (preexec is executed just
      # after a command is read and about to be executed)
      preexec () {print -Pn "\e]0;%n@%m: $1\a"}
      ;;
esac