Undefined host variable in REXX.
说明：在REXX未定义的主机变量。
Few modern computers offer Rexx in a default installation.
现代计算机很少在缺省安装中提供Rexx。
According you OS, you have to prefix the Rexx script name.
根据您的操作系统，你必须前缀rexx脚本的名称。
Rexx is practical for much more demanding projects than sh.
Rexx适用于比sh要求更高的项目。
Case of names is normalized to upper case in most Rexx contexts.
在大部分Rexx上下文中，名称被规格化为大写的。
The Rexx planners didn't simply overlook this reality, though.
然而，Rexx 的策划师并未忽略这一现实。
A concept at the core of Rexx is juggling multiple stacks or streams.
Rexx的核心概念之一是巧妙地处理多个栈或流。
In fact, "arrays" in Rexx just amount to whitespace-separated strings.
实际上，在Rexx中“数组”就是由空格隔开的字符串。
ANSI Standard Rexx doesn't include a sort routine, function, or keyword.
ANSIStandard Rexx不包括任何排序例程、函数或关键字。
In Rexx — somewhat like in TCL — to a large extent everything is a string.
在Rexx中——有些类似于在TCL中——在很大程度上一切都是字符串。
Rexx, however, does have one additional standard datatype: associative arrays.
不过，Rexx确实有一个另外的标准数据类型：关联数组。
The Rexx language Association is a a general advocacy group for the Rexx programming language.
RexxLanguageAssociation是一个普遍支持Rexx编程语言的团体。
If few modern computers offer Rexx in a default installation, is it worth your trouble to learn it?
如果现代计算机很少在缺省安装中提供Rexx，还有学习它的必要吗？
The brief examples above will give readers a bit of the feel of Rexx as a programming language.
通过前面简短的例子，读者将会对Rexx 这门编程语言有一些感觉。
Other OS makers, such as Amiga, have also integrated Rexx as an always-available system scripting language.
其他OS制造商，比如amiga，也将Rexx作为永远可用的系统脚本语言集成进来。
That's the next key fact about the language: There's a Rexx available for your computer, with few exceptions.
这是关于此语言的另一个重要事实：您可以为计算机下载Rexx，只有少数例外情况。
Like Perl, REBOL, REXX, and TCL, it's a flexible scripting language with powerful text manipulation capabilities.
像Perl、REBOL、REXX和TCL一样，它是一种灵活的脚本语言，并且有强大的文本操作能力。
Like Perl, REBOL, REXX, and TCL, it is a flexible scripting language with powerful text manipulation capabilities.
像Perl、REBOL、REXX和TCL一样，它是一种灵活的脚本语言，并且有强大的文本操作能力。
All the build guests require one additional customization: Open Object Rexx version 3.2 must be installed on each of them.
所有构建客户机需要进行一项额外的定制：openObjectRexx版本3.2必须安装在每一个客户机上。
Python is object oriented, which gives it a significant advantage over such other scripting languages as Perl and Rexx.
Python是面向对象的，这使它与其它这类脚本编写语言如Perl和Rexx 相比有了很大的优势。
Their site contains miscellaneous links to useful libraries and other resources, including details on the Rexx ANSI Standard.
他们的站点上有各种各样的指向有用的库和其他资源的链接，包括详细的Rexx ANSI标准。
Above we used the external rxqueue utility, but we can similarly redirect output of utilities right within Rexx. For example.
上面我们用的是外部rxqueue实用程序，不过在Rexx内部我们同样可以重定向实用程序的输出。
That's also easy: There are plenty of Rexx resources available, including both on-line and printed treatments, available at no charge.
这也十分容易：现在有大量的Rexx资源，包括在线版本和打印版本，您可以免费获取它们。
Perhaps the greatest strength in Rexx as a text processing language is its useful collection of built-in string manipulation functions.
或许，作为一门文本处理语言，Rexx的最强大之处在于它所具备的实用的内置字符串处理函数。
Nowadays (especially on Linux or BSD-derived OS's), most of those older implementations of Rexx are primarily interesting as historical footnotes.
当前(尤其是在Linux或者起源于BSD的OS上)，Rexx的那些大部分早期实现，主要作为历史足迹为人们所关心。
Coming more out of an IBM "big-iron" environment than from Unix systems, Rexx is little-known to many Linux programmers and systems administrators.
由于来自IBM“大型机”环境比重多于unix系统，Rexx对很多Linux程序员和系统管理员是鲜为人知的。
Among other things, all this portability means that, if you work in Rexx on one computer or network, you'll be able to apply that knowledge wherever else you go.
这种可移植性意义重大，其中一个方面是如果您在某个计算机或网络上使用Rexx工作，则无论您到其他任何位置，也都可以应用这些知识。
The Rexx programming language was first created in 1979, as a very high level scripting language that had a particularly strong facility for text processing tasks.
Rexx编程语言最初创建于1979年，是一个层次非常高的脚本语言，有特别强大的用于文本处理任务的工具。
Regina is the LGPL Rexx implementation used in writing and testing the examples in this article, and for most people will be the best choice for an environment to install.
Regina是本文编写和测试例子时所用的LGPLRexx实现，并且，对大多数人来说，它是安装环境的最好选择。
Not every string is valid Rexx symbol — which restricts the keys in the dictionary — but Rexx is pretty liberal about its symbol names, compared to most languages. E.g.
不是每一个字符串都是合法的rexx符号——为限制程序库中的关键字——但是相对于大部分语言，Rexx在符号命名方面非常自由。
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