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MySQL 5.5 Reference Manual :: 4 MySQL Programs :: 4.6 MySQL Administrative and Utility Programs :: 4.6.6 mysqlaccess — Client for Checking Access Privileges
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4.6.6. mysqlaccess — Client for Checking Access Privileges

mysqlaccess is a diagnostic tool that Yves Carlier has provided for the MySQL distribution. It checks the access privileges for a host name, user name, and database combination. Note that mysqlaccess checks access using only the user, db, and host tables. It does not check table, column, or routine privileges specified in the tables_priv, columns_priv, or procs_priv tables.

Invoke mysqlaccess like this: 

shell> mysqlaccess [host_name [user_name [db_name]]] [options]

mysqlaccess supports the following options.

Table 4.10. mysqlaccess Options

Format Config File Description Introduction Deprecated Removed
--brief brief Generate reports in single-line tabular format      
--commit commit Copy the new access privileges from the temporary tables to the original grant tables      
--copy copy Reload the temporary grant tables from original ones      
--db=db_name db Specify the database name      
--debug=# debug Specify the debug level      
--help   Display help message and exit      
--host=host_name host Connect to the MySQL server on the given host      
--howto howto Display some examples that show how to use mysqlaccess      
--old_server old_server Assume that the server is an old MySQL server (prior to MySQL 3.21)      
--password[=password] password The password to use when connecting to the server      
--plan plan Display suggestions and ideas for future releases      
--preview preview Show the privilege differences after making changes to the temporary grant tables      
--relnotes relnotes Display the release notes      
--rhost=host_name rhost Connect to the MySQL server on the given host      
--rollback rollback Undo the most recent changes to the temporary grant tables.      
--spassword[=password] spassword The password to use when connecting to the server as the superuser      
--superuser=user_name superuser Specify the user name for connecting as the superuser      
--table table Generate reports in table format      
--user=user_name, user The MySQL user name to use when connecting      
--version   Display version information and exit      

If your MySQL distribution is installed in some nonstandard location, you must change the location where mysqlaccess expects to find the mysql client. Edit the mysqlaccess script at approximately line 18. Search for a line that looks like this: 

$MYSQL     = '/usr/local/bin/mysql';    # path to mysql executable

Change the path to reflect the location where mysql actually is stored on your system. If you do not do this, a Broken pipe error will occur when you run mysqlaccess.