#!/bin/bash
k=1
if [ `tput cols` -lt 108 ];then
    k=2
fi

while true; do
n=`cat /proc/net/wireless|grep wlan0 |awk '{print $3}'`.
n=`echo -n $n|head -c $(expr $(echo $n|wc -c) - 2)`
l=$((${n} / ${k}))
echo -n "(${n}/100)"
for i in `seq ${l}`; do
echo -n "#"
done
echo ""
sleep 1s;
done