例如，可以使用sys. argv变量在命令行中访问传递给脚本的参数。
For example, you can access parameters passed to scripts on the command line using the sys.argv variable.
而且，它还故意忽略针对CLASSPATH的全部环境变量设置，还忽略您提供的命令行参数-cp。
Moreover, it deliberately ignores any environment variable Settings for CLASSPATH or the command-line argument -cp that you supply.
要是这个应用程序的内容更充实，那么我就可能用命令行选项、环境变量或配置文件来配置这些参数。
If this were a more fleshed-out application, I might configure these parameters with command-line options, environment variables, or a configuration file. But for now, this style is adequate.
getopt返回- 1后，全局变量optind保存第一个不属于命令行选项的参数的索引。
After getopt has returned -1, the global variable optind holds the index of the first argument that was not part of the command-line options.
对脚本进行相应的设计，以使其接受任何输入变量作为命令行参数。
Design the scripts to accept any input variables as command line parameters. The command line style is.
下面的代码定义了Getopt::Long 的变量参数，调用该段代码以解析来自命令行的参数。
The code below defines variable parameters for Getopt::Long, which is invoked to parse the parameters from the command line.
第330行的coding_name变量源自于一个指定输入文件编码的命令行参数；如果没有提供这种命令行，就使用UTF - 8编码。
The coding_name variable on line 330 is derived from a command-line argument specifying the encoding of the input file; if no such command line is provided, UTF-8 is used, instead.
如果在同一个命令行语句中多次出现相同的选项、参数或变量，则优先执行该选项的最后一个实例。
If the same option, parameter, or variable appears in the same command line statement more than one time, the last instance of the option takes precedence.
如果在同一个命令行语句中多次出现相同的选项、参数或变量，则优先执行该选项的最后一个实例。
If the same option, parameter, or variable appears in the same command line statement more than one time, the last instance of the option takes precedence.
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