This is not the right command.
This command prints a message to standard error, then exits with an erroneous status code, because obviously, it is not the right command, and its use is always in error.
leftThis command also accepts command line arguments, which it ignores, because it does not do what the right command would do.
left foo bar bazStill an error.
This command requires a C compiler to build.
makeNo provisions have been added to the Makefile for installing this
command, because it this command does not do anything useful, and most
people should use the right command rather than this command.