export SSHTERM=urxvtc
export SSHTERM_TITLE=-title
export SSHTERM_EXEC=-e
unset LANG
if ls --help 2>/dev/null | grep gnu.org >/dev/null; then
  export LS_OPTIONS="--color=auto -F -b --time-style=long-iso"
elif [ "$SYSTEM" = "Darwin" ]; then
  export LS_OPTIONS="-G -F -b"
fi
export VISUAL=vim
eval `dircolors 2>/dev/null` 2>/dev/null
unset XMODIFIERS #:-(
export SSHTERM="urxvt"
export SSHTERM_TITLE="-title"
export SSHTERM_EXEC="-e"
export GREP_COLOR='0;33'
# cx: Lines of context; sl: Matching lines; mt: Search string; fn: Filename
# ln: Line number; bn: Byte offset; se: Separators.
colours=$(tput colors)
if [ $colours = 256 ]; then
  export GREP_COLORS='cx=38;5;246:sl=:mt=33:fn=38;5;25:ln=38;5;82:bn=33:se=38;5;246'
elif [ $colours -gt 88 ]; then
  export GREP_COLORS='cx=38;5;84:sl=:mt=33:fn=38;5;22:ln=38;5;44:bn=33:se=38;5;84'
else
  export GREP_COLORS='cx=31:sl=:mt=33:fn=36:ln=34:bn=33:se=31'
fi

# Override SCREENDIR iff screen is not setuid.
screen=$(which screen &>/dev/null)
if [ ! -z "$screen" ]; then
  if ! ls -l "$screen" | cut -d ' ' -f 1 | grep s >/dev/null; then
    export SCREENDIR="$HOME/.screen/$HOSTNAME"
  fi
fi
unset screen
#mkdir -p "$SCREENDIR"