The short form string should include each valid option letter, followed by a colon (:) to indicate that the command line option should be followed by a value.
短形式字符串应该包含每个有效的选项字母，每个字母后面是一个冒号 (:)，这表示命令行选项后面应该是一个值。
To see the value of debugging using the command line, let's start with the really, really bad PHP file shown below.
为了查看使用命令行调试的值，让我们从下面所示的非常非常糟糕的PHP文件开始。
Consider the situation where you might want to have a command line option (for example, to enable debugging) that doesn't require a value.
考虑一下某个命令行选项不需要值的情况(例如启用调试的选项)。
As you can see, the trigger message is passed as a single value that contains several recognizable fields such as the program, queue manager, and queue names, as well as the command line.
可以看到，触发器消息作为单个值传递，该值包含几个可识别的字段，比如程序、队列管理器、队列名称以及命令行。
You pass this value as a command-line parameter to the test case.
这个值以命令行参数的形式传递给测试用例。
A command-line option is provided to minimize the output record to only display the EWU value for each character string provided on the command line.
一个命令行选项可以缩减输出记录，只显示在命令行上提供的每个字符串的ewu值。
Instead of using the command-line parameter to set the account's status, you'll set a string value in the build file, and the task will use the string value to update the status.
不要使用命令行参数来设置帐户状态，您要在构建文件中设置一个字符串值，任务会使用字符串值更新状态。
It can be run in one of two ways, either with a single command line argument, which should be an errno value, or without any arguments.
它能以两种方式之一运行，带单个命令行参数，该参数应该是errno值，或不带任何参数。
Remember that the getopt library routine is general in nature, and not every command line option is expected to have an associated value.
请记住，getopt库例程本质上是通用的，而且并非每个命令行选项都有相关联的值。
To set a variable from the command line when invoking the rundsjob executable file, you must pass the -v flag along with the variable name and value that you want to set it to.
在激发rundsjob可执行文件时，为了从命令行设置一个变量，您必须通过带有变量名以及想要设置值的-v标记。
Simply provide the name on the command line, pass it along to the getenv call, and you'll get its current value.
只要在命令行中随getenv调用传入变量的名称，就可以得到它的当前值。
Method trace is invoked on the command line by adding the methods keyword token as well as setting the value of mt to one of the destination keywords (maximal, minimal, print).
在命令行上调用方法跟踪的办法是，添加methods关键字标志并将mt设置给目的地关键字之一(maximal、minimal、print)。
This case statement simply checks the second command-line argument, and performs the correct action, depending on its value. If we now type
这条 case 语句只是检查第二个命令行自变量，然后根据其值执行正确操作。
For example, in the code above we used -d "for the command line option defining a name-value pair."
比方说，在上面的代码中我们用“- D”这一命令行选项来定义名-值对。
Finally, to associate all the input parameters with the same command option, you add the command-line option to the positional_options_description object with value -1. Here's the code.
最后，若要将所有的输入参数与同一个命令行选项相关联，您需要使用值- 1将该命令行选项添加到positional_options_description对象。
Then from the command line, specify the environment variable name with its value.
然后，在命令行上指定环境变量名和值。
One critical variable is the value of PATH, which you can check at the command line with the echo $PATH command.
一个临界变数是路径的数值，你以回声$路径指令能在指令行检查。
The installer now displays the default installation directory, or the non-default value that you specified on the installation command line.
安装程序现在可以显示的默认安装目录，或者非默认值，您所指定的安装命令行。
The installer now displays the default installation directory, or the non-default value that you specified on the installation command line.
安装程序现在可以显示的默认安装目录，或者非默认值，您所指定的安装命令行。
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