Linux cli command irb3

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command irb3 and provides detailed information about the command irb3, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the irb3.

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is the REPL(read-eval-print loop) environment for Ruby programs.

Prints the version of

Same as `ruby -E’ . Specifies the default value(s) for external encodings and internal encoding. Values should be separated with colon (:).

You can omit the one for internal encodings, then the value

Same as `ruby -I’ . Specifies

directory

Same as `ruby -U’ . Sets the default value for internal encodings

Same as `ruby -d’ . Sets

to true.

Suppresses read of

Same as `ruby -w’ .

Same as `ruby -W’ .

Prints a summary of the options.

Same as `ruby -r’. Causes irb to load the library using require.

Uses `inspect’ for output (default except for bc mode)

Doesn’t use inspect for output

Uses multiline editor module.

Doesn’t use multiline editor module.

Uses singleline editor module.

Doesn’t use singleline editor module.

Add an extra doc dir for the doc dialog.

Show result (default).

Don’t show result.

Show result on assignment.

Don’t show result on assignment.

Show truncated result on assignment (default).

Use colorization.

Don’t use colorization.

Use autocompletion.

Don’t use autocompletion.

Show details.

Don’t show details.

Switch prompt mode. Pre-defined prompt modes are `default’, `simple’, `xmp’ and `inf-ruby'.

Uses prompt appropriate for inf-ruby-mode on emacs. Suppresses –multiline and –singleline.

Makes prompts simple.

No prompt mode.

Displays trace for each execution of commands.

Displays backtrace top

and tail

The default value is 16.

Also

depends on same variables as

Personal irb initialization.

Security vulnerabilities should be reported via an email to

Reported problems will be published after being fixed.

Other bugs and feature requests can be reported via the Ruby Issue Tracking System

Do not report security vulnerabilities via this system because it publishes the vulnerabilities immediately.

Written by Keiju ISHITSUKA.

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