bash script to generate space usage reports

space_usage_report.sh

#!/bin/bash

# Directory to scan; you can modify this to be the root '/' or any specific directory
TARGET_DIRECTORY="/"

# Output directory for the reports
REPORT_DIR="/var/log/space_reports"
mkdir -p "${REPORT_DIR}"

# Filename includes date for weekly tracking
REPORT_FILE="${REPORT_DIR}/space_report_$(date +%Y-%m-%d).txt"

# Generating the space usage report
echo "Generating space usage report for ${TARGET_DIRECTORY} on $(date)" > "${REPORT_FILE}"
echo "=========================================" >> "${REPORT_FILE}"

# List the top 10 directories by space usage
du -h "${TARGET_DIRECTORY}" --max-depth=1 2>/dev/null | sort -rh | head -n 10 >> "${REPORT_FILE}"

echo "Report generated at ${REPORT_FILE}"