ATH is ${#PATH}
9.2. Manipulating Strings
Bash supports a surprising number of string manipulation opera... ded to the command line of external programs that support it. The fuction mbfl_option_verbose_program retur... or external programs.
This option, of course, is supported only for programs that are known by MBFL (like ... n an output channel. Various forms of message are supported.
All the function names are prefixed with mbfl