2026-05-05 21:44:08 +00:00
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#!/usr/bin/env bash
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2026-05-08 21:18:22 +00:00
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set -euo pipefail
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2026-05-05 21:44:08 +00:00
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=00_env.sh
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. "$SCRIPT_DIR/00_env.sh"
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SEARCH_PATH="/"
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TOP_N=20
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usage() {
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printf 'Usage: %s [--path <path>] [--top <N>]\n' "$(basename "$0")"
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}
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while [[ "$#" -gt 0 ]]; do
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case "$1" in
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--path) SEARCH_PATH="${2:-}"; shift 2 ;;
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--top) TOP_N="${2:-}"; shift 2 ;;
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-h|--help) usage; exit 0 ;;
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*) critical "Unknown argument: $1"; usage; exit 2 ;;
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esac
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done
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if ! [[ "$TOP_N" =~ ^[0-9]+$ ]] || (( TOP_N < 1 )); then
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critical "--top must be a positive integer"
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exit 2
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fi
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validate_path "$SEARCH_PATH" || exit 2
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require_cmd find || exit 1
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require_cmd sort || exit 1
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require_cmd head || exit 1
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section "Largest Files Under $SEARCH_PATH"
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warning "Read-only scan. Permission errors can be normal without root access."
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find "$SEARCH_PATH" -xdev \
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\( -path /proc -o -path /sys -o -path /dev -o -path /run \) -prune -o \
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-type f -printf '%s\t%p\n' 2>/dev/null |
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sort -rn |
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head -n "$TOP_N" |
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awk '
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function human(bytes) {
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split("B KB MB GB TB PB", unit)
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size = bytes
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idx = 1
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while (size >= 1024 && idx < 6) {
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size = size / 1024
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idx++
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}
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return sprintf("%.1f%s", size, unit[idx])
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}
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{
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size = $1
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$1 = ""
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sub(/^\t/, "")
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printf "%10s %s\n", human(size), $0
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}
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' | tee -a "$LOG_FILE"
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ok "No files were modified."
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