#!/bin/bash
cd /tmp
period=$(( 3600 * 3 ))
while true ; do
    wget -o /dev/null -O eurusd-3m.gif 'http://cchart.yimg.com/3m?eurusd=x' \
 && wget -o /dev/null -O eurusd-5d.gif 'http://ichart.yahoo.com/w?s=eurusd=x' \
 && wget -o /dev/null -O eurusd-1d.gif 'http://ichart.yahoo.com/b?s=eurusd=x' \
 && xv -display :0.0 eurusd-1d.gif  eurusd-5d.gif eurusd-3m.gif &
 sleep $period
done