在M-x编译中使用当前缓冲区的文件名

问题描述

我希望emacs使用当前缓冲区的文件名作为传递给 M-x compile 的命令的一部分。例如，如果我正在编辑〜/ foo.rb，我希望 Mx编译执行 ruby​​〜/ foo.rb

I would like emacs to use the current buffer's file name as part of the command passed to M-x compile. For example, if I am editing ~/foo.rb, I would like M-x compile to execute ruby ~/foo.rb

我尝试将 compilation-command 设置为（列表ruby文件名），但显然你不能在这里传递一个s表达式。

I tried setting compilation-command to (list "ruby" buffer-file-name), but apparently you can't pass an s-expression here.

推荐答案

1。阅读函数的文档

compile compile-command

compile-command is a variable defined in `compile.el'.
Its value is "make -k "
[snip]
Sometimes it is useful for files to supply local values for this variable.
You might also use mode hooks to specify it in certain modes, like this:

    (add-hook 'c-mode-hook
       (lambda ()
     (unless (or (file-exists-p "makefile")
             (file-exists-p "Makefile"))
       (set (make-local-variable 'compile-command)
        (concat "make -k "
            (file-name-sans-extension buffer-file-name))))))





3。 ...最后适应你的需要

3. … and finally adapt the example to your needs

(add-hook 'ruby-mode-hook
          (lambda ()
            (set (make-local-variable 'compile-command)
                 (concat "ruby " buffer-file-name))))

当然，如果有
<$ c $，那么您当然可以轻松地自定义它，以使用 rake c> Rakefile 。

Of course you can easily customize it to use rake if there is aRakefile.

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