#!/bin/bash
X_RES=`xrandr | sed -n 's/.\{0,\}current \([0-9]\{1,\}\) x [0-9]\{1,\}.\{0,\}/\1/g;p;q'`
Y_RES=`xrandr | sed -n 's/.\{0,\}current [0-9]\{1,\} x \([0-9]\{1,\}\).\{0,\}/\1/g;p;q'`
let "X_RES -= 10"
let "Y_RES -= 40"
rdesktop -D -N -z -x m -B -g '$X_RES'x'$YRES' server1c.mydomain.local