Programming Ruby 3.3

Using irb

irb is run with this command:

irb <irb-options> <ruby_script> <program arguments>

The command-line options for irb are listed in the following table. Typically, you’ll run irb with no options, but if you want to run a script and watch the step-by-step description as it runs, you can provide the name of the Ruby script and any options for that script.

Table 6. irb command-line options

Option	Description
--autocomplete, --noautocomplete	Uses or doesn’t use the autocomplete feature. The default is --autocomplete.
--back-trace-limit n	Displays backtrace information using the top n and last n entries. The default value is 16.
--colorize, --nocolorize	Uses or doesn’t use color syntax highlighting. The default is --colorize.
--context-mode ...