A Bash script to validate one or more URL list files against their expected HTTP status codes.

• Bash shell
• curl

Each URL list file must be a text file with a name containing a three-digit HTTP status code:

• *410.txt → URLs expected to return HTTP 410
• *301.txt → URLs expected to return HTTP 301
• *200.txt → URLs expected to return HTTP 200

Each file should list one relative URL per line (e.g., /old-page).

./validate_urls.sh <url-list-file> [<url-list-file> ...] [base_url] [auth_user] [auth_pass]

• <url-list-file>: one or more .txt files containing relative URLs.
  The script extracts the expected status code from the first three-digit sequence in each filename.
• base_url (optional): default: https://example.com
• auth_user and auth_pass (optional): Basic Auth credentials for curl

Examples:

• Check only live URLs:

  ./validate_urls.sh url-200.txt

• Check removals and redirects:

  ./validate_urls.sh old-urls-410.txt redirects-301.txt

• Full run with custom domain and auth:

  ./validate_urls.sh url-410.txt url-301.txt url-200.txt https://staging.example.com user pass

• Generates validation_results.csv in the current directory.
• Columns: URL,Expected,HTTP_Status,Result

• Skips missing or empty files with a warning (⚠️).
• Console logs:
  • ✅ OK for matched responses
  • ❌ MISMATCH for unexpected status codes
  • ⚠️ Skip warnings for missing or empty files

• Author: Eric Rasch
• GitHub: https://github.com/your-username/url-status-validator
• Created: 2025年04月21日
• Version: 1.1