#!/bin/sh
# Retrieve the S.M.A.R.T. & FARM meta data of a given disk and store
# it to a file named by its model, serial number and the current date.

devpath="$1"
if [ ! -e "$devpath" ]; then
    echo "Please provide an existing device path!"
    exit 1
fi
cmd=smartctl
cmd1="$cmd -x $devpath"
cmd2="$cmd -l farm $devpath"

out1="$($cmd1)"
out2="$($cmd1)"

devid="$(echo "$out1" | awk -F: '
    BEGIN{model=""}
    /Device Model:/{sub("^\\s+","",$2); n=split($2,a,"\\s+"); model=a[n]}
    /Serial Number:/{sub("^\\s+","",$2); serial=$2}
    END{print model"-"serial}')"
outfn="${cmd}_${devid}_$(date +%y%m%d).txt"
cat << EOF > "$outfn"
# $cmd1

$out1

# $cmd2

$out2
EOF