Ruby 是由日本人松本行弘发明一门免费的、简单的、直观的、可扩展的、可移植的、解释的脚本语言.
用于快速而简单的面向对象编程.类似于 Perl,它支持处理文本文件和执行系统管理任务的很多特性.
About Ruby 1.9.2
Ruby 1.9.2 is mostly compatible with 1.9.1, except the following changes:
- Many new methods
- New socket API (IPv6 support)
- New encodings
- Random class that supports various random number generators
- Time is reimplemented. There is no longer the year 2038 problem.
- some regexp enhancements
- $: no longer includes the current directory.
- dl is reimplemented on top of libffi.
- new psych library that wraps libyaml. You can use the library instead of syck.
See NEWS and ChangeLog for more detail.
Ruby 1.9.2 passes over 99% of RubySpec.
Supported Platform
Ruby 1.9 has four support levels.
- Supported
- We verified that Ruby 1.9.2 works fine on it. And we can keep the 1.9.2 maintained on it.
- Debian GNU/Linux 5.0 on IA32.
- Best Effort
- We verified that Ruby 1.9.2 works mostly fine on them. And I believe we can keep the 1.9.2 maintained on it.
- mswin32, x64-mswin64, mingw32
- MacOS X 10.5 (Intel) and 10.6
- FreeBSD 6 and later (amd64, IA32)
- Solaris 10
- Symbian OS
- Perhaps
- I think Ruby 1.9.2 works fine on them with small modification, however, it is not verified. Patch is welcome.
- Other Linux distributions
- Other versions of MacOS X.
- cygwin
- AIX 5
- Other POSIX-compatible systems
- BeOS (Haiku)
- Not supported
- I do not think Ruby 1.9.2 works on them. Porting is welcome.
- Any other systems
FAQ
- The standard library is installed in /usr/local/lib/ruby/1.9.1
- This version number is "library compatibility version". Ruby 1.9.2 is mostly compatible with the 1.9.1, so its library is installed in the directory.
- It causes a
LoadError -
$:no longer includes the current directory. So some scripts need modification to work correctly. Anyway, your script should not depend on the current directory as well as possible.