Re: simple useful functions

[Andreas Röhler]

Am 28.10.2010 20:56, schrieb Tak Ota:
> If you think the following two functions are universally useful please
> consider incorporating them in simple.el or any appropriate package.
> If not disregard.
>
> -Tak
>
> (defun collect-string (regexp&optional num)
>    "Collect strings of REGEXP (or optional NUM paren) from the
> current buffer into a collection buffer."
>    (interactive "sCollect string (regexp): \nP")
>    (let ((collection-buffer
>          (get-buffer-create (format "*Collection of \"%s\" *" regexp))))
>      (with-current-buffer collection-buffer (erase-buffer))
>      (save-excursion
>        (goto-char (point-min))
>        (while (re-search-forward regexp nil t)
>         (let ((str (match-string (or num 0))))
>           (if str
>               (with-current-buffer collection-buffer
>                 (insert str)
>                 (or (zerop (current-column))
>                     (insert "\n")))))))
>      (pop-to-buffer collection-buffer)
>      (goto-char (point-min))))
>
> (defun source (script&optional shell keep-current-directory)
>    "Source the specified shell script.
> Source the shell SCRIPT and import the environment into this
> emacs.  The optional SHELL specifies the shell other than the
> default `shell-file-name'.  When KEEP-CURRENT-DIRECTORY is nil,
> which is the default, the current directory is temporarily
> changed to the directory where the script resides while sourcing
> the script."
>    (interactive "fscript file: ")
>    (if (null shell)
>        (setq shell shell-file-name))
>    (with-temp-buffer
>      (unless keep-current-directory
>        (setq default-directory (file-name-directory script)))
>      (call-process shell nil t nil "-c" (concat "source " script "; printenv"))
>      (while (re-search-backward "^\\([^=]+\\)=\\(.*\\)$" nil t)
>        (setenv (match-string 1) (match-string 2)))))

Hi Tak,

thanks a lot.

Took your stuff into my personal collection misc-utils.el at

https://code.launchpad.net/s-x-emacs-werkstatt/

also into a git-repo collecting interesting stuff

http://repo.or.cz/w/elbb.git

Andreas

--
https://code.launchpad.net/~a-roehler/python-mode/python-mode-components