overclocking status for the raspberry pi shell script

ocstat

#!/bin/bash
#
# ocstat - overclocking status for the raspberry pi
#
# relies on bc for calculations, if you get a command not found error, run:
# sudo apt-get install bc
#

echo -n "       Freq: "
cat /boot/config.txt | grep _freq | tr -t '\n' ' ' | sed 's/_freq//g'
echo ""

echo -n "   Overvolt: "
cat /boot/config.txt | grep over_voltage | tr -d 'over_voltage='

echo -n "Temperature: "
echo -e "$(echo "scale=2;$(</sys/class/thermal/thermal_zone0/temp)/1000" | bc)\xc2\xb0C"

echo -n "CPU Scaling: "
echo "$(echo "scale=2;$(</sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq)/1000" | bc) MHz"