Revised version of BiduleOhm's SMART status script

#!/bin/sh

### Parameters ###
logfile="/tmp/smart_report.tmp"
email="[your-email]@[your-domain.tld]"
subject="SMART Status Report"
drives="da0 da1 da2 da3 da4 da5 da6 da7"
tempWarn=40
tempCrit=45
sectorsCrit=10
warnSymbol="?"
critSymbol="!"

### Set email headers ###
(
    echo "To: ${email}"
    echo "Subject: ${subject}"
    echo "Content-Type: text/html"
    echo "MIME-Version: 1.0"
    echo -e "\r\n"
) > ${logfile}

### Set email body ###
echo "<pre style=\"font-size:14px\">" >> ${logfile}

###### summary ######
(
    echo ""
    echo "########## SMART status report summary for all drives ##########"
    echo ""
    echo "+------+------------------+----+-----+-----+-----+-------+-------+--------+------+----------+------+-------+"
    echo "|Device|Serial            |Temp|Power|Start|Spin |ReAlloc|Current|Offline |Seek  |Total     |High  |Command|"
    echo "|      |                  |    |On   |Stop |Retry|Sectors|Pending|Uncorrec|Errors|Seeks     |Fly   |Timeout|"
    echo "|      |                  |    |Hours|Count|Count|       |Sectors|Sectors |      |          |Writes|Count  |"
    echo "+------+------------------+----+-----+-----+-----+-------+-------+--------+------+----------+------+-------+"
) >> ${logfile}
for drive in $drives
do
    (
        smartctl -A -i -v 7,hex48 /dev/${drive} | \
        awk -v device=${drive} -v tempWarn=${tempWarn} -v tempCrit=${tempCrit} -v sectorsCrit=${sectorsCrit} \
        -v warnSymbol=${warnSymbol} -v critSymbol=${critSymbol} '\
        /Serial Number:/{serial=$3} \
        /Temperature_Celsius/{temp=$10} \
        /Power_On_Hours/{onHours=$10} \
        /Start_Stop_Count/{startStop=$10} \
        /Spin_Retry_Count/{spinRetry=$10} \
        /Reallocated_Sector/{reAlloc=$10} \
        /Current_Pending_Sector/{pending=$10} \
        /Offline_Uncorrectable/{offlineUnc=$10} \
        /Seek_Error_Rate/{seekErrors=("0x" substr($10,3,4));totalSeeks=("0x" substr($10,7))} \
        /High_Fly_Writes/{hiFlyWr=$10} \
        /Command_Timeout/{cmdTimeout=$10} \
        END {
            if (temp > tempCrit || reAlloc > sectorsCrit || pending > sectorsCrit || offlineUnc > sectorsCrit)
                device=device " " critSymbol;
            else if (temp > tempWarn || reAlloc > 0 || pending > 0 || offlineUnc > 0)
                device=device " " warnSymbol;
            seekErrors=sprintf("%d", seekErrors);
            totalSeeks=sprintf("%d", totalSeeks);
            if (totalSeeks == "0") {
                seekErrors="N/A";
                totalSeeks="N/A";
            }
            if (hiFlyWr == "") hiFlyWr="N/A";
            if (cmdTimeout == "") cmdTimeout="N/A";
            printf "|%-6s|%-18s| %s |%5s|%5s|%5s|%7s|%7s|%8s|%6s|%10s|%6s|%7s|\n",
            device, serial, temp, onHours, startStop, spinRetry, reAlloc, pending, offlineUnc, \
            seekErrors, totalSeeks, hiFlyWr, cmdTimeout;
        }'
    ) >> ${logfile}
done
(
    echo "+------+------------------+----+-----+-----+-----+-------+-------+--------+------+----------+------+-------+"
    echo ""
    echo ""
) >> ${logfile}

###### for each drive ######
for drive in $drives
do
    brand=`smartctl -i /dev/${drive} | grep "Model Family" | awk '{print $3, $4, $5}'`
    if [ -z "$brand" ];
    then
      brand=`smartctl -i /dev/${drive} | grep "Device Model" | awk '{print $3, $4, $5}'`
    fi
    serial=`smartctl -i /dev/${drive} | grep "Serial Number" | awk '{print $3}'`
    (
        echo ""
        echo "########## SMART status report for ${drive} drive (${brand}: ${serial}) ##########"
        smartctl -n never -H -A -l error /dev/${drive}
        smartctl -n never -l selftest /dev/${drive} | grep "# 1 \|Num" | cut -c6-
        echo ""
        echo ""
    ) >> ${logfile}
done
sed -i '' -e '/smartctl 6.3/d' ${logfile}
sed -i '' -e '/Copyright/d' ${logfile}
sed -i '' -e '/=== START OF READ/d' ${logfile}
sed -i '' -e '/SMART Attributes Data/d' ${logfile}
sed -i '' -e '/Vendor Specific SMART/d' ${logfile}
sed -i '' -e '/SMART Error Log Version/d' ${logfile}
echo "</pre>" >> ${logfile}

### Send report ###
sendmail -t < ${logfile}
rm ${logfile}