Add scripts/cleanup_old_files.sh

scripts/cleanup_old_files.sh

@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+#
+# Delete files older than a defined number of days.
+#
+# This is a simple and practical maintenance script for temporary folders,
+# export directories, application cache folders, and backup staging areas.
+#
+# Usage:
+#   bash cleanup_old_files.sh --path /var/tmp/app --days 30 --dry-run
+#   bash cleanup_old_files.sh --path /var/tmp/app --days 30 --delete
+#
+# Options:
+#   --path DIR    Directory to scan.
+#   --days N      Delete files older than N days.
+#   --delete      Actually delete files.
+#   --dry-run     Show what would be deleted. This is the default behavior.
+#   --help        Show this help message.
+
+set -Eeuo pipefail
+
+target_path=""
+days=""
+delete_files=false
+
+usage() {
+  sed -n '2,18p' "$0" | sed 's/^# \{0,1\}//'
+}
+
+log() {
+  printf '[%s] %s\n' "$(date '+%Y-%m-%d %H:%M:%S')" "$*"
+}
+
+while [[ "$#" -gt 0 ]]; do
+  case "$1" in
+    --path)
+      target_path="${2:-}"
+      shift 2
+      ;;
+    --days)
+      days="${2:-}"
+      shift 2
+      ;;
+    --delete)
+      delete_files=true
+      shift
+      ;;
+    --dry-run)
+      delete_files=false
+      shift
+      ;;
+    --help|-h)
+      usage
+      exit 0
+      ;;
+    *)
+      printf 'ERROR: unknown option: %s\n' "$1" >&2
+      usage >&2
+      exit 1
+      ;;
+  esac
+done
+
+[[ -d "$target_path" ]] || { printf 'ERROR: directory not found: %s\n' "$target_path" >&2; exit 1; }
+[[ "$days" =~ ^[0-9]+$ ]] || { printf 'ERROR: --days must be a positive number.\n' >&2; exit 1; }
+
+log "Scanning '${target_path}' for files older than ${days} days."
+
+if [[ "$delete_files" == true ]]; then
+  log "Delete mode enabled."
+  find "$target_path" -type f -mtime "+${days}" -print -delete
+  log "Cleanup finished."
+else
+  log "Dry-run mode enabled. No files will be deleted."
+  find "$target_path" -type f -mtime "+${days}" -print
+  log "Dry-run finished."
+fi
+