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REXXBNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 🌏语言的一些不足;青岛;其他一些需要注意的地方 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。 ibm 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。 ibm 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。 ibm The next Rexx fact, therefore, is Rexx expects to“ partner” with system commands. 因此,下一个有关 Rexx的事实是 Rexx希望与系统命令“合作”。 ibm 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。 ibm 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。 diybl 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。 ibm ANSI Standard Rexx doesn't include a sort routine, function, or keyword. ANSI Standard Rexx不包括任何排序例程、函数或关键字。 ibm 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。 ibm Don't worry if Rexx is not installed on your desktop; I'll come back to questions of availability in a moment. 如果您的桌面上未安装 Rexx,请不用担心,我稍后还将谈到这些可用性问题。 ibm 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。 ibm 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。 ibm IBM has offered Rexx as a product for AIX under several different terms during the lifespan of the operating system. 在 AIX操作系统的生存期内, IBM曾使用几个不同的名称将 Rexx作为 AIX的一个产品提供。 ibm 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。 ibm 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。 ibm Instead, part of the essence of Rexx is to integrate closely with the command- line environment of its host operating system. 实际上, Rexx的部分要旨就是要与其主机操作系统的命令行环境紧密集成。 ibm 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。 ibm Listing3 is instructive because so much of Rexx usage has to do with parsing, managing, and rearranging results from other facilities. 清单3很有启发意义,因为 Rexx主要用于对来自其他工具的结果进行解析、管理和重新排列。 ibm Now you know the basic facts about Rexx. 现在,您已了解了有关 Rexx的基本事实。 ibm 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。 ibm 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。 ibm 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 LGPL Rexx实现,并且,对大多数人来说,它是安装环境的最好选择。 ibm 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。 ibm 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。 ibm 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。 ibm 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。 ibm To use Rexx effectively yourself, you need to learn the language and access its references. 要让自己有效地使用 Rexx,您需要学习此语言并访问它的各种参考资料。 ibm You can find plenty of Rexx resources available. 您可以找到大量可用的 Rexx资源。 ibm 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。 ibm Rexx expects to“ partner” with system commands. Rexx希望与系统命令“合作”。 ibm |