Lists the predefined variables available for conditional compilation.
列出条件式编译之可用的已定义变数。
W3Eval has some predefined variables, but it also supports user-defined variables.
W3Eval有一些预定义的变量，不过它也支持用户定义的变量。
Another function of such a script is to set up predefined variables in a consistent way.
这种脚本的另一个功能是以一致的方式设置预定义的变量。
Figure 16 shows an example of sourcing the properties file, followed by a few echo statements to show that the predefined variables are now available.
图16展示了一个查找属性文件的示例，后面用几个echo语句展示预定义变量现已可用。
When executing scripts defined within the script package, WebSphere CloudBurst has access to many predefined environment variables. Table 1 shows a subset of these.
执行脚本包内定义的脚本时，WebSphereCloudBurst拥有对多个环境变量的访问权，表1展示了部分这样的变量。
To accomplish this we can add predefined global variables to our scripting system.
为了完成这些我们需要向脚本系统中添加预定义的全局变量。
Environments - which environments your script is designed to run in. Each environment brings with it a certain set of predefined global variables.
指定脚本的运行环境。每种环境都有一组特定的预定义全局变量。
Environments - which environments your script is designed to run in. Each environment brings with it a certain set of predefined global variables.
指定脚本的运行环境。每种环境都有一组特定的预定义全局变量。
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