By using the NOT operator with awk, you can specify what records should NOT be extracted from the report.

In awk, when a print command appears by itself, the full contents of the current line are printed.

在Awk中，当print命令单独出现时，将打印当前行的全部内容。

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Perl's regular expression heritage comes from shell scripting and the awk/ grep tools.

Perl的正则表达式是从shell脚本程序以及awk/grep工具中继承而来的。

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As mentioned earlier, this variable allows you to set the character sequence that awk expects to find between fields.

如前所述，这个变量支持设置awk期望在字段中找到的字符序列。

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The tool comes with a postprocessing script that requires a UNIX shell and awk capabilities.

该工具随后处理程序脚本一起提供，该脚本需要UNIX shell和awk功能。

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Awk is geared toward text processing and report generation, yet features many well-designed features that allow for serious programming.

awk适合于文本处理和报表生成，它还有许多精心设计的特性，允许进行多种方式的编程。

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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。

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This tutorial provides a hands-on introduction to the AWK text-processing language.

本教程为AWK文本处理语言提供了实践性的介绍。

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Normally, awk executes each block of your script's code once for each input line.

通常，awk会针对每个输入行执行一次每个代码块。

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I find it more manageable to have separate awk statements for each condition I want met.

我发现，对于希望满足的每个条件，使用单独的awk语句更便于管理。

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In this tutorial, you use GAWK to learn the various methods of running AWK programs.

在本教程中，您将使用GAWK，以了解各种运行AWK程序的方法。

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Awk executes this block after all lines in the input file have been processed.

在输入文件的所有行处理完毕之后，awk执行这个代码块。

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Take that line and use awk to print the second field, which is the total memory in the node.

获取那一行并使用awk输出第二个字段，它是节点中的总内存。

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Awk has its own complement of special variables.

Awk有其自己的特殊变量集合。

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Awk tests every record in the specified file ( or files) for a pattern match.

awk测试指定文件中的每个记录是否符合模式匹配。

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This will also bring the report into columns where awk can then be used to extract details.

这会让报告以列的形式呈现，awk可以从这些列中提取信息。

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For such situations, awk allows you to define a BEGIN block.

对这种情况，awk支持定义BEGIN代码块。

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By default, awk treats each comma-separated value as a different field.

缺省情况下，awk将每个以逗号分隔的值视为不同的字段。

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To ignore all records that contain the string'xnpd', one could use the following awk statement

要忽略包含字符串'xnpd'的所有记录，可以使用以下awk语句

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You also see how programs are structured and learn AWK's record and field paradigm.

您还将了解如何组织程序，并学习AWK的记录和字段范例。

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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。

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