diff --git a/smartdrivecheck.sh b/smartdrivecheck.sh
new file mode 100644
index 0000000..3ab50e2
--- /dev/null
+++ b/smartdrivecheck.sh
@@ -0,0 +1,119 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+SMARTCTL="/usr/sbin/smartctl"
+BADBLOCKS="/sbin/badblocks"
+
+usage() {
+    echo "Usage: $(basename "$0") <device>" >&2
+}
+
+check_dependencies() {
+    for program in "$SMARTCTL" "$BADBLOCKS"; do
+        if ! command -v "$program" &>/dev/null; then
+            echo "Error: $program is not installed or not executable" >&2
+            exit 1
+        fi
+    done
+}
+
+validate_device() {
+    local device="$1"
+    if [ ! -b "$device" ]; then
+        echo "Error: $device is not a valid block device" >&2
+        usage
+        exit 1
+    fi
+}
+
+enable_smart() {
+    local device="$1"
+    echo "Enabling SMART on $device..."
+    $SMARTCTL -q silent -s on -S on "$device" || {
+        echo "SMART enable failed. Retrying..." >&2
+        $SMARTCTL -s on -S on "$device" || true
+    }
+}
+
+check_smart_status() {
+    local device="$1"
+    echo "Checking SMART status..."
+    $SMARTCTL -q silent -H "$device" || { echo "SMART Health Check Failed" >&2; exit 1; }
+    $SMARTCTL -q silent -l error "$device" || { echo "SMART Error Log Check Failed" >&2; exit 1; }
+    $SMARTCTL -q silent -l selftest "$device" || { echo "SMART Self-Test Log Check Failed" >&2; exit 1; }
+}
+
+run_self_tests() {
+    local device="$1"
+    local test_type="$2"
+    local sleep_time="$3"
+
+    echo "Running $test_type test (estimated time: $sleep_time minutes)..."
+    $SMARTCTL -q silent -t "$test_type" "$device"
+    sleep "${sleep_time}m"
+    check_smart_status "$device"
+}
+
+perform_write_test() {
+    local device="$1"
+    echo "Performing non-destructive write test on $device..."
+    $BADBLOCKS -s -n "$device" || { echo "Non-destructive write test failed" >&2; exit 1; }
+    check_smart_status "$device"
+}
+
+parse_polling_times() {
+    local device="$1"
+    local tmp_file
+    tmp_file=$(mktemp /tmp/drivetest.XXXXXXXXXX)
+
+    $SMARTCTL -c "$device" | awk '
+        /^(Short|Extended|Conveyance) self-test routine/ {
+            test_type = toupper($1)
+            getline
+            time = $0 ~ /\(\s*[0-9]+\)/ ? $2 : 0
+            printf "%s_SLEEP=%d\n", test_type, time
+        }
+    ' >"$tmp_file"
+    source "$tmp_file"
+    rm -f "$tmp_file"
+}
+
+main() {
+    if [ $# -ne 1 ]; then
+        usage
+        exit 1
+    fi
+
+    local device="$1"
+    validate_device "$device"
+    check_dependencies
+
+    if [[ "$(basename "$device" | sed 's/^\(..\).*$/\1/')" == "sd" ]]; then
+        SMARTCTL="$SMARTCTL -d ata"
+    fi
+
+    enable_smart "$device"
+    check_smart_status "$device"
+    parse_polling_times "$device"
+
+    if [ -n "${CONVEYANCE_SLEEP:-}" ]; then
+        run_self_tests "$device" "conveyance" "$CONVEYANCE_SLEEP"
+    elif [ -n "${SHORT_SLEEP:-}" ]; then
+        run_self_tests "$device" "short" "$SHORT_SLEEP"
+    else
+        echo "Skipping conveyance/short tests..."
+    fi
+
+    perform_write_test "$device"
+
+    if [ -n "${EXTENDED_SLEEP:-}" ]; then
+        run_self_tests "$device" "long" "$EXTENDED_SLEEP"
+    else
+        echo "Skipping extended test..."
+    fi
+
+    echo "All tests completed successfully."
+}
+
+main "$@"