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分发Perl应用程序

分类: 技术问答 • 2022-03-31 10:59:25

分发Perl应用程序

问题描述：

我最近创建了一个Perl小应用程序，该应用程序使用了一些需要通过CPAN安装的非核心模块。

I recently created a little Perl application that utilizes a few non-core modules that will need to be installed via CPAN.

是否可以分发该应用程序能够检查是否已安装必需的模块，如果没有，则将它们从CPAN中拉出？我想我正在寻找类似于CPAN自动依赖安装功能的东西。

Is there a way to distribute the application with the ability to check to see if the required modules are installed and pull them from CPAN if they aren't? I suppose I am looking for something similar to the CPAN auto-dependency-install feature.

我考虑过使用module-starter和Module :: Install来创建一个模块-例如目录结构，然后定制Build文件以将应用程序安装到/ bin ...，但是我不确定这是否是一种解决方案。

I thought about using module-starter and Module::Install to create a module-like directory structure and then tailor the Build file to install the application to /bin... but I'm not sure if this is a shoe-horn solution.

答

这不是鞋拔子的解决方案，而是正确的做法。由于极端情况，您应该让专门的工具来处理依赖关系，例如输入安装说明：

It's not a shoe-horn solution, but the Right Thing to do. You should let a specialised tool handle the dependencies because of the corner cases, e.g. write in the installation instructions:


  1. 解压缩存档文件。

  2. 运行 cpan。放在未归档的目录中。

  1. Unpack the archive.
  2. Run cpan . in the unarchived directory.

您无需更改Build文件即可在 bin 目录，默认情况下会执行此操作。

You need not change the Build file to install programs in the bin directory, it does this by default.

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