helpcommand can be used to print brief usage-style messages, or to display information directly from an on-line version of the printed manual, using the GNU Info browser. If invoked without any arguments,
helpprints a list of all the available operators, functions, and built-in variables. If the first argument is
helpcommand searches the index of the on-line version of this manual for the given topics.
For example, the command
prints a short message describing the
help command, and
help -i help
starts the GNU Info browser at this node in the on-line version of the manual.
See section Using Info, for complete details about how to use the GNU Info browser to read the on-line version of the manual.
The help command can give you information about operators, but not the
comma and semicolons that are used as command separators. To get help
for those, you must type
help comma or
INFO_FILEnames the location of the Octave info file. The default value is
INFO_PROGRAMnames the info program to run. Its initial value is
/usr/local/libexec/octave/VERSION/exec/ARCH/info, but that value can be overridden by the environment variable
OCTAVE_INFO_PROGRAM, or the command line argument
--info-program NAME, or by setting the value of
INFO_PROGRAMin a startup script.
suppress_verbose_help_messageis nonzero, Octave will not add additional help information to the end of the output from the
helpcommand and usage messages for built-in commands.
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