This can make a long or complex command more readable.
这样可以使比较长或比较复杂的命令更易读懂。
SELECT is by far the largest and most complex command in SQL.
SELECT命令是至今为止SQL中最大最复杂的命令。
You'll often find them as part of a more complex command pipeline (see Listing 2).
您常常会发现它们作为更复杂的命令管道中的一部分(请参见清单2)。
Many sophisticated reusable components implement a complex command language of their own.
很多优秀的可重用组件都实现了自己的一种复杂的命令语言。
Well-designed graphical user interfaces can free the user from learning complex command languages.
设计得好的图形用户界面可以使用户从学习复杂的命令语言中解放出来。
This is especially true if you need to process complex command-line switches to create multi-level hashes.
这对于您需要处理复杂的命令行开关以创建多层散列时尤为有用。
For a discussion of complex command-line parsing, see my previous article on Perl programs that speak English.
有关复杂命令行解析的讨论，请参阅我关于说英语的Perl程序的前一篇文章。
This article shows you how to build pv on a UNIX system and apply it to simple and complex command-line combinations.
本文介绍如何在UNIX系统上构建pv，以及如何在简单和复杂的命令行组合中应用它。
In particular, you would probably get weary of typing long, complex command lines with loads of options, or where the order of the arguments has to be just so.
尤其是，您可能厌倦了输入冗长的、复杂的命令行，其中可能包含大量的选项、或者参数的顺序有严格的要求。
Lindop continues. "we very rapidly learned we could give PC players the quick-command system and allow the console players to use the complex command system, and they both work."
林多谱继续道：“我们不久就发现适用于PC的快速指挥系统同样也适用于家用机玩家，PC和家用机同时都能工作。”
When you execute a task command in interactive mode, you are lead through a series of steps which interactively collect input for a complex admin task.
当您以交互模式执行任务命令时，系统将指导您执行一系列的步骤，以交互方式收集复杂管理任务的输入。
At this point, our command line is getting a little complex, and we still have only the major marks on our ruler.
此时，我们的命令行变得有点复杂了，但是我们的标尺上仍然只有主要标记。
Military commanders depend on a complex network of command and Control (C2) systems to provide critical information to support decision making.
军事指挥人员依赖一种指挥控制(C2)系统的复杂网络，提供关键信息来支持决策制定。
Text files can be edited in significant and complex ways without an editor by running one-liners from the UNIX command line.
通过从UNIX命令行运行单命令行程序，可以利用多种有意义和复合的方式(无需编辑器)对文本文件进行编辑。
You should also be able to write custom AWK programs to perform complex text processing from the UNIX command line.
您还应该能够编写自定义的AWK程序，以使用UNIX命令行执行复杂的文本处理。
Shell scripts — When the wrapper you are building is particularly complex, a much better solution is to use a shell script that you can call in place of the original command.
外壳脚本——当您要构建的包装特别复杂时，更好的解决方案是使用外壳脚本，您可以代替原始命令调用这些脚本。
The migration command can look simple, but the issues occurring in the process can be complex and difficult to resolve.
迁移命令看上去很简单，但过程中发生的问题会很复杂，难以解决。
It is possible in just one SELECT command to create complex XML content.
仅在一个SELECT命令中就可能创建复杂的XML内容。
However, it is not so easy for spatial data given that the DB2 REORG TABLE command does not understand spatial indexes due to their complex nature.
然而，如果由于空间索引的复杂性质导致DB 2 REORGTABLE命令不理解空间索引，事情就不会那么容易了。
Each UNIX command is very simple and targeted; complex actions are produced by stringing them together.
每个UNIX命令都非常简单并且目标明确；将它们串在一起可以产生复杂操作。
The command processor examples you'll study run from the trivial (garbage collection) to the fairly complex (image display).
您将学习的命令处理器示例可以简单地运行（垃圾收集），也可以相当复杂地运行（图像显示）。
The drpcidl command also generates a class for each complex data type used in a procedure, such as structures and unions, with methods to get and set each field in the structure.
drpcidl命令也为过程中使用的每个复合数据类型(例如结构(structures)和联合(unions))生成了一个类，使用该方法可以获取并设置结构中的每个字段。
You can use complex combined command lines, for example, to find Apache permission-denied errors by searching within all found compressed error logs and counting the number of errors.
例如，通过使用复杂的组合命令行，可以搜索找到的所有压缩的错误日志并统计错误数量，由此查明Apache拒绝权限错误的数量。
Using powerful tools like sed and Perl, and the magic of regular expressions, you can easily do complex text processing tasks directly on the UNIX command line.
使用像sed和Perl这样功能强大的工具，以及神奇的正则表达式，您可以直接通过UNIX命令行轻松地完成复杂的文本处理任务。
This is by far the most complex convert command line I have shown so far in the article, so I'll take some time to explain it.
迄今为止，这是我在本文中所展示的最复杂的convert命令行了，因此我将花些时间来解释它。
The TimeLabel command processor is more complex than the GC processor, so I'll go through it step by step.
TimeLabel命令处理器比GC处理器要复杂得多，所以我将逐步介绍它。
The awk command can be complex and used in a wide variety of situations.
awk命令可以很复杂并应用于广泛的情景中。
WinFF helps generate the correct FFmpeg command line, which can be complex with all of the various options.
WinFF还可以帮助生成正确的ffmpeg命令行，但繁多的选项可以使之变得非常复杂。
The primary way you can control trace is by using the -Xtrace option on the command line or you can use the optional trace properties file if the option set is long or complex.
控制跟踪的主要方法是使用命令行选项 -Xtrace，或者在选项集比较长或复杂的情况下，使用可选的跟踪属性文件。
In this article, you'll take a quick look at getting text from files and programs, simple transliterations using the tr command, and complex search and replace actions using the sed command.
在本文中，您将简要了解从文件和程序中获得文本、使用tr命令对其进行简单的转换、使用sed命令进行复杂的搜索和替换操作。
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