几种从另外一个或提示调用Windows批处理文件。哪一个在这种情况下？ [英] Several ways to call a windows batch file from another one or from prompt. Which one in which case?

问题描述

Windows批处理文件（ called.bat 或 called.cmd ）可以从另一个批处理文件被调用（ caller.bat 或 caller.cmd ），或在几个方面交互式cmd.exe提示：

1. 直接调用： called.bat


2. 使用call命令：呼叫called.bat


3. 使用cmd命令： CMD / C called.bat


4. 使用start命令：启动called.bat

我挺麻烦根据他们的帮助文字来区分他们的使用目的：当使用哪一个？例如为什么我会用'叫'命令，而不是直接调用。有什么不同？

我很感兴趣的一些总结报告的分析从不同角度的看法所有4种可能性（和其他人如有丢失）：为他们设计适合推荐的使用情况下，产卵过程中，执行上下文，环境，回报$ C $ç处理。

请注意：我使用Windows XP SP3

解决方案

1. 该批处理文件将通过当前的cmd.exe实例来执行（或新的cmd.exe例如，如果，例如，双击在资源管理器）。




2. 同＃1，只有拥有一批/ CMD文件内使用时的效果。在一个批处理文件，没有'来电'，父批处理文件结束，控制传递给名为批处理文件;与'呼'运行孩子批处理文件，父批处理文件继续下面的调用语句。




3. 运行在一个新的CMD.EXE实例的批处理文件。




4. 开始将运行在一个新窗口，新的cmd.exe实例的批处理文件，调用者不会等待完成。

A windows batch file (called.bat or called.cmd) can be called from another batch file (caller.bat or caller.cmd) or interactive cmd.exe prompt in several ways:

1. direct call: called.bat
2. using call command: call called.bat
3. using cmd command: cmd /c called.bat
4. using start command: start called.bat

I'm quite in trouble to differentiate their intended usage based on their help text: when to use which one? e.g. why I might use 'call' command instead of direct call. What's different?

I'm interested on some summary report that analyze all 4 possibilities (and others if any missing) from various point of views: recommended use cases for which they are designed to fit, process spawning, execution context, environment, return code processing.

Note: I'm using Windows XP SP3.

解决方案

1. The batch file will be executed by the current cmd.exe instance (or a new cmd.exe instance if, for instance, double-clicked in Explorer).

2. Same as #1, only has an effect when used inside a batch/cmd file. In a batch file, without 'call', the parent batch file ends and control passes to the called batch file; with 'call' runs the child batch file, and the parent batch file continues with statements following call.

3. Runs the batch file in a new cmd.exe instance.

4. Start will run the batch file in a new cmd.exe instance in a new window, and the caller will not wait for completion.

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