Invoke myisamlog like this:

shell> myisamlog [options] [file_name [tbl_name] ...]

The default operation is update (-u). If a recovery is done (-r), all writes and possibly updates and deletes are done and errors are only counted. The default log file name is myisam.log if no log_file argument is given. If tables are named on the command line, only those tables are updated.

myisamlog supports the following options:

• -?, -I

Display a help message and exit.

• -c N

Execute only N commands.

• -f N

Specify the maximum number of open files.

• -i

Display extra information before exiting.

• -o offset

Specify the starting offset.

• -p N

Remove N components from path.

• -r

Perform a recovery operation.

• -R record_pos_file record_pos

Specify record position file and record position.

• -u

Perform an update operation.

• -v

Verbose mode. Print more output about what the program does. This option can be given multiple times to produce more and more output.

• -w write_file

Specify the write file.

• -V

Display version information.