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