REXX
- 网络脚本语言;雷克斯;第一部分;青岛;语言
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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。
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Beyond teaching more about rexx scripting , they are practical database examples in their own right .
除了传授更多关于rexx脚本编制的知识外,还将提供相应的实用数据库示例。
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Rexx also has an error-handling system that lets you SIGNAL conditions and handle them appropriately .
Rexx还有一个错误处理系统,让您SIGNAL情况并适当地处理它们。
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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。
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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。
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The language is a derivative of plain Rexx .
此语言派生自普通的Rexx。
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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。
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A number of ISVs , moreover , have created Rexx environments for many platforms .
此外,许多独立软件开发商为很多平台创建了Rexx环境。
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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。
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Rexx has a strong language standard to which all the interpreters mentioned in this article conform .
rexx有一个较强的语言标准,本文提到的所有解释器都遵从这个标准。
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Somewhat late in the game , ANSI officially adopted a standard for Rexx in1996 .
再晚些时候,ANSI于1996年正式为Rexx采纳了一个标准。
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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。
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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RexxANSI标准。
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In Rexx they go under the name " stem variables ," but the concept is very similar that of dictionaries in many other languages .
在Rexx中,它们被命名为“词干变量”,但是其概念非常类似于很多其他语言中的程序库。
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The Rexx programming language was first created in1979 , 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。
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A nice feature of Rexx 's text handling functions is the naturalness of treating lines as being composed of whitespace-separated words .
Rexx的文本处理函数的一个令人喜爱的特性是,它可以自然地处理以空格隔开的词组成的行。
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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。
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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。
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In bash-like fashion , anything in Rexx that is not recognized as an internal instruction or function is assumed to be an external utility .
类似bash的风格,在Rexx中任何没有被识别为内部指令或函数的内容,都被假定为一个外部实用程序。
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The site also contains links to a number of useful Rexx libraries for working with application areas like Tk , Curses , Sockets , SQL , and others .
站点中还包括很多指向有用的Rexx库的链接,这些库可用于Tk、Curses、SQL等应用程序领域。
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Some instructions in Rexx may explicitly specify a stack to operate on ; but other instructions operate within an environment which you configure with the ADDRESS instruction .
Rexx中有一些指令可以显式地指定要操作的栈;但是其他指令操作是在您用ADDRESS指令配置的环境中进行。
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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。
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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。
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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。
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And Rexx is certainly Turing-complete , enables modules and structured programming , and has libraries for tasks such as GUI interfaces , network programming , and database access .
并且,Rexx当然是完全Turing的,支持模块和结构化编程,有面向专门任务的库,例如GUI接口、网络编程和数据库访问。
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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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For quick and easily readable scripts that perform text manipulation on the inputs and outputs of external processes , Rexx is hard to beat , and not hard to learn or install .
作为可以快速且简单易读的脚本,在对外部进程的输入和输出进行文本处理方面,Rexx无懈可击,而且学习和安装也不困难。
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Following the example of the execution of the argument cmd , you could write a shell or interactive environment in Rexx ( perhaps running either external utilities or built-in commands , much like bash ) .
按照参数cmd执行的例子,您可以在Rexx中写一个shell或者交互式的环境(或许会运行外部的实用程序或者内置命令,正如同bash)。
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In capabilities and programming level , Rexx can be compared most closely to bash plus the GNU text utilities ( throwing in grep and sed for good measure ); or maybe to awk or Perl .
在实际能力和编程级别上,Rexx最接近于bash加上GNU文件工具(外加grep和sed);或者可能相当于awk或Perl。
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Stylistically , the IBM / mainframe roots of Rexx show in its case-insensitive commands ; and to a lesser degree in the relative sparsity of punctuation it uses ( preferring keywords to symbols ) .
在文体上,Rexx的IBM/mainframe根源体现在它对命令的大小写敏感;在某种次要程度上也体现在它使用标点符号相对较少(更多用关键字而不是符号)。