windows windows子命令评估
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windows subcommand evaluation
提问by mert
linux & unix shells can process subcommands like this.
linux 和 unix shell 可以处理这样的子命令。
$> command `subcommand`
does windows cmd shell similar feature?
windows cmd shell 有没有类似的功能？
回答by Michael Burr
You can get something similar using a variation of the forcommand:
您可以使用for命令的变体获得类似的结果：
FOR /F "usebackq tokens=*" %%a IN (`subcommand`) DO @command %%a
One big difference (besides being unintuitive and much uglier) is that it'll execute commandonce for each line produced by subcommand
一个很大的区别（除了不直观和更难看）是它会command为由subcommand
Note that inside a script file, the percent signs must be doubled up (use non-doubled percent signs if you have some reason to want to do this at the command line).
请注意，在脚本文件中，百分号必须加倍（如果您有理由想在命令行执行此操作，请使用非双倍百分号）。
回答by JaredReisinger
As a whole, no. The Windows Command Prompt really isn't much of a shell in that it doesn't provide much functionality of its own, independent from the commands that you can run. For example, in most Un*x shells, file globbing (matching foo.*to a list of files) is handled by the shell itself. In Windows, every application sees the foo.*from the command line and has to implement the file globbing on its own.
总的来说，没有。Windows 命令提示符实际上并不是一个外壳程序，因为它本身并没有提供很多独立于您可以运行的命令的功能。例如，在大多数 Un*x shell 中，文件通配（匹配foo.*文件列表）由 shell 本身处理。在 Windows 中，每个应用程序都可以foo.*从命令行看到 ，并且必须自己实现文件通配。
If you're moving down the road of trying to automate Windows, or want a more full-featured shell, you should consider using PowerShell, which doeslet you do sub-commands:
如果您正在尝试自动化 Windows，或者想要一个功能更全面的 shell，您应该考虑使用PowerShell，它可以让您执行子命令：
command (subcommand)
命令（子命令）
