Retrieves the help text for a given wb_command subcommand.
Arguments
- cmd
The subcommand to get help for (e.g. "-cifti-separate").
If NULL, shows the top-level help listing all subcommands.
Value
Character vector of help text lines, invisibly.
Examples
if (FALSE) { # \dontrun{
wb_help()
wb_help("-cifti-separate")
} # }