Ruby installation and running, Ruby installation and running

Ruby installation and running, Ruby installation and running

Ruby Installation

Notes

1. OSX or linux is better
2. Implementation of different versions: c ++, C, and java
3. This C Ruby
   

Installation Method

1. Both linux and OSX are pre-installed.
2. Package Manager (apt, yum, brew), not the latest
3. Version Control System: rvm (rvm. io), rbenv
   

Rvm

1. View ruby version
   

rvm list known

Install

rvm install 2.2.1

Help

Rvm -- help user manual: man rvm

Rbenv

1. Use brew to install OSX
   

Install rubyInstaller in windows

Learning Materials

Tools

Deployment platform in linux

General Installation Method: source code compilation, steps

1. Download and decompress from official website
2. ./Config
3. Make
4. Put make install in path
5. Ruby-v view version
   

Ruby running

Two methods:

Interactive:

1. Use the Ruby command: ruby
2. irb: irb

Compile the program file (. rb)

1. Save the program in the file and run the Ruby command.

vim hello.rbputs "hello world"def hello(name) puts "hello #{name}"endhello('mac')ruby hello.rb

Ruby Document System

RDoc: Document Generation Tool
Ri: Read RDoc

Ri Minari -- serve browser browsing document // localhost: 8214

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