drive-size.sh

#! /bin/bash
# Author: 		Nyle Davis			Created 14-06-04
# Purpose:		Get Size of any/all USB Flash drives.
# Return:		VAR containing 1.) Drive Name, 2.) Drive Size
#										3.) Space Available, 4.) Mount Point
# File:			drive-size.sh

# Get Flash name based on size value
function getname {
	if [ ${DVSZ}=>63 ]; 		then SDNAM="64Gig";
	elif [ ${DVSZ}=>15 ]; 	then
		SDNAM="16Gig";
	elif [ ${DVSZ}=>1.5 ]; then
		SDNAM="2Gig";
	elif [ ${DVSZ}=>0.9 ]; then
		SDNAM="1Gig";
	fi
}

# Get Flash size
function getsize {
	DSZ="$(( $(</sys/block/$1/size) * 512 ))";
	SIZ=$((DSZ / 1000000000));
}

# Parse the /sys/block for Drive location and set VAR SDDRV
for f in /sys/block/sd[cdef]/removable;
	do [ "$(cat $f)" = "1" ];
	SDDRV=$(basename $(dirname $f));
	# Set SIZ size var
	getsize ${SDDRV};
	# Set the SDNAM var
	getname ${SIZ};
	# Parse the DF cmd for the Drive available space and mount point using ${SDDRV}
	DI="`df -h | grep -i ${SDDRV}`";
	AV="`echo ${DI} | awk '{ print $4 }'`";
	MP="`echo ${DI} | awk '{ print $6 }'`";
done

EXVAR="${SDNAM} ${SIZ}G ${AV} ${MP}";
echo "EX => " ${EXVAR};
export EXVAR
exit 0;

This current code gives results of:

EX =>  64Gig 63G 59G /media/sdc1

Turn the last echo of for silent run of this script!