tldr/pages/common/ruby.md

ruby

Ruby programming language interpreter.

• Open an Interactive Ruby Shell (REPL):

irb

• Execute a Ruby script:

ruby {{script.rb}}

• Execute a single command in the command line

ruby -e {{command}}

• Check if the given Ruby script is written correctly (Syntax check)

ruby -c {{script.rb}}

• Show the version of Ruby you are using

ruby -v