Re: require basic stuff from specific packages

[Emanuel Berg <embe8573@student.uu.se>]

Here is another approach. First, you `require'
everything - *then* you do the `apropos'. Yes,
it works: `string-trim' is there!

See the path to the Emacs source - set that to
whatever you have on your disk.

Also, '**/*' is a zsh feature not found in
bash, so change that if need be (or change to
zsh).

This is a bit far out but one can think of it
as a prototype to show the idea in action, not
a tool to rely upon for everyday use ;)

;; from: http://user.it.uu.se/~embe8573/conf/emacs-init/search-regexp-in-files.el
(defun files-as-list (file-regexp)
  (split-string
   (with-temp-buffer
     (call-process-shell-command
      (format "ls %s" file-regexp) nil t) ; no INFILE, temp BUFFER
     (buffer-substring (point-min) (point-max)) )))

;; nowhere but here
(when nil
  (let ((all-elisp-files (files-as-list (format "~/sw/**/*.el"))))
    (dolist (f all-elisp-files)
      (condition-case nil
          (require (intern f))
        (error nil)
        ))) ; <- eval here
      ) ; now do `M-x apropos trim RET' and search for "string"!

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