/usr/bin/perror  Ver 9.3.0 for Linux on x86_64 (Source distribution)
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affiliates. Other names may be trademarks of their respective
owners.

Print a description for a system error code or a MySQL error code.
If you want to get the error for a negative error code, you should use
-- before the first error code to tell perror that there was no more options.

Usage: /usr/bin/perror [OPTIONS] [ERRORCODE [ERRORCODE...]]
  -?, --help          Displays this help and exits.
  -I, --info          Synonym for --help.
  -s, --silent        Only print the error message.
  -v, --verbose       Print error code and message (default).
                      (Defaults to on; use --skip-verbose to disable.)
  -V, --version       Displays version information and exits.

Variables (--variable-name=value)
and boolean options {FALSE|TRUE}  Value (after reading options)
--------------------------------- ----------------------------------------
verbose                           TRUE