In Ruby 2.0.0p0 IRB, arrow-keys misbehave slightly differently. Interactive Ruby Shell (IRB or irb) is a REPL for programming in the object-oriented scripting language Ruby. See IO#eof for more information.

Class : IRB::ReadlineInputMethod - Ruby 2.4.1 .

The abbreviation irb is a portmanteau of the word … Then, enter expression of ruby.

Ruby provides a whole set of I/O-related methods implemented in the Kernel module. Pre-defined prompt modes are # `default', `simple', `xmp' and `inf-ruby' #--inf-ruby-mode Use prompt appropriate for inf-ruby-mode on emacs. See IO#eof? Invoking % ruby -r irb -e0 % irb Either of the aboves.

Ruby 2.7 has enabled multi-line editing which is powered by reline, readline compatible pure Ruby implementation.
# Suppresses --readline.

With that you already have your keyboard shortcuts and basic history management. size => 18 Als Alternative zu Irb gibt es Pry , eine REPL, welche weitaus tiefgreifendere Möglichkeiten zur Introspektion und zum Debuggen mitbringt. The default value is false. With my (german) keyboard i was never able to type brackets/curly brackets in IRB or in a rails console. class IRB::ReadlineInputMethod Public Class Methods. Lets dig into the details and then add features on top of this. This chapter will cover all the basic I/O functions available in Ruby. Class : IRB::ReadlineInputMethod - Ruby 2.6.3 . This method has no description. readline (' > ', true) p line end. No documentation. Hi, In message "irb --readline" on 03/07/25, Wybo Dekker writes: |When I try to have readline support with: | |irb --readline | |I get : Here is the standard Ruby readline sample program: require ' readline ' while line = Readline.
Lehrling: Registriert: 24 Okt 2004, 00:18 Beiträge: 68 Hallo, Was passiert bei euch, wenn ihr irb in einem Terminal-Fenster aufmacht, soviel eintippt bis er eine zweite Zeile anfängt und dann das Fenster breiter macht? Betreff des Beitrags: kompilieren, irb und readline.

See the file inf_ruby.el in the misc directory of the distribution for more details.] The class IO provides all the basic methods, such as read, write, gets, puts, readline, getc, and printf. # File lib/irb/input-method.rb, line 164 def eof? irb is a tool to execute interactively ruby expressions read from stdin. Executing irb, prompts are displayed as follows.

#--readline Use Readline extension module #--noreadline Don't use Readline extension module #--colorize Use colorization @@ -69,7 +71,7 @@ # Switch prompt mode. You can help the Ruby community by adding new notes. If true, changes the prompt and disables readline support, allowing irb to work with inf-ruby-mode. See this Ruby bug. Hi, In message "irb --readline" on 03/07/25, Wybo Dekker writes: |When I try to have readline support with: | |irb --readline | |I get : irb stands for 'interactive ruby'. The default value is false. Use of irb is easy if you know ruby. A problem that is bothering me since years.