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#!/bin/bash
# Get device S.M.A.R.T. and store in appropriate file.
set -e
die() {
echo $1
exit 1
}
get_file_name() {
sn=$(sed -n 's/Serial Number: \+//p' < "$1" | tr ' ' '_')
printf 'smart-%s-%s.txt' "$sn" "$(date +%F)"
}
[ -b "$1" ] && DEVICE="$1" || die 'First parameter must be block device.'
tmp=$(tempfile)
sudo smartctl -Ai "$DEVICE" > "$tmp"
fname=$(get_file_name "$tmp")
if [ -f "$fname" ] ; then
echo "File $fname already exists. Override? [yN] "
read answer
case "$answer" in
y|Y)
;;
*)
exit 0
;;
esac
fi
mv "$tmp" "$fname"
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