- \t--spider|-s\t\t\tSpider mode - only check file existence (esc)
- \t--timeout=N|-T N\t\tSet connect/request timeout to N seconds (esc)
- \t--proxy=on|off|-Y on|off\tEnable/disable env var configured proxy (esc)
+ \t--spider | -s\t\t\tSpider mode - only check file existence (esc)
+ \t--timeout=N | -T N\t\tSet connect/request timeout to N seconds (esc)
+ \t--proxy=on | -Y on\t\tEnable interpretation of proxy env vars (default) (esc)
+ \t--proxy=off | -Y off | (esc)
+ \t--no-proxy \t\tDisable interpretation of proxy env vars (esc)