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Use: command -v -- -x The POSIX documentation for almost all commands (including `command`) says "The command utility shall conform to [...] Utility Syntax

by o11c 1y ago

Use: command -v -- -x The POSIX documentation for almost all commands (including `command`) says "The command utility shall conform to [...] Utility Syntax Guidelines" which specifies the behavior of `--`, even if it's not explicitly mentioned.