Quick Drive Test

#!/bin/sh
echo "drivetest="

DRIVES=`fdisk -l | grep "Disk /dev" | gawk -F' '  '{ print $2 }'`
COMMANDS=(      'smartctl -i DRIVE | grep Serial'
                'smartctl -a DRIVE | grep Power_On_Hours'
                'smartctl -a DRIVE | grep Temperature_Celsius'
                'smartctl -a DRIVE | grep Reallocated_Sector_ct'
                'smartctl -a DRIVE | grep Reallocated_Event_Count'
                'smartctl -a DRIVE | grep Current_Pending_Sector'
                'smartctl -a DRIVE | grep Offline_Uncorrectable'
                'smartctl -H DRIVE | grep result'
        )

for i in $(echo $DRIVES | tr ":" "\n")
do
#       NUMBER=$[ ( $RANDOM % 100 )  + 1 ]
#       echo "&${NUMBER}=PROCESSING NEW DRIVE"

        for c in "${COMMANDS[@]}"
        do
                NEWCOMMAND=${c//'DRIVE'/$i}
                eval "$NEWCOMMAND"
        done
# done