Display Options from Option Files using my_print_defaults

my_print_defaults displays the options that are present in option groups of option files. 

The output indicates what options are used by programs that read the specified option groups.

bit@goyun.info:~$ my_print_defaults mysql client

--auto-vertical-output

--auto-rehash

--compress

--protocol=TCP

--user=goyuninfo

bit@goyun.info:~$ mysql --print-defaults

mysql would have been started with the following arguments:

--auto-vertical-output --auto-rehash --compress --protocol=TCP --user=goyuninfo