From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: pjb@informatimago.com (Pascal J. Bourguignon) Newsgroups: gmane.emacs.help Subject: Re: how to convert a string to a symbol? Date: Sun, 14 Sep 2008 15:47:47 +0200 Organization: Informatimago Message-ID: <877i9e96v0.fsf@hubble.informatimago.com> References: <003701c9162e$58cfcd50$0200a8c0@us.oracle.com> <08e88ade-63f9-416c-8644-caf95ff2a863@z11g2000prl.googlegroups.com> <87myibcfsz.fsf@lion.rapttech.com.au> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1221403290 15771 80.91.229.12 (14 Sep 2008 14:41:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 14 Sep 2008 14:41:30 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Sep 14 16:42:26 2008 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1Kesnx-0007uv-Sm for geh-help-gnu-emacs@m.gmane.org; Sun, 14 Sep 2008 16:42:26 +0200 Original-Received: from localhost ([127.0.0.1]:59160 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Kesmw-0007MC-TW for geh-help-gnu-emacs@m.gmane.org; Sun, 14 Sep 2008 10:41:22 -0400 Original-Path: news.stanford.edu!newsfeed.stanford.edu!postnews.google.com!news3.google.com!proxad.net!feeder1-2.proxad.net!cleanfeed3-b.proxad.net!nnrp15-1.free.fr!not-for-mail Original-Newsgroups: gnu.emacs.help Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAQMAAABtzGvEAAAABlBMVEUAAAD///+l2Z/dAAAA oElEQVR4nK3OsRHCMAwF0O8YQufUNIQRGIAja9CxSA55AxZgFO4coMgYrEDDQZWPIlNAjwq9 033pbOBPtbXuB6PKNBn5gZkhGa86Z4x2wE67O+06WxGD/HCOGR0deY3f9Ijwwt7rNGNf6Oac l/GuZTF1wFGKiYYHKSFAkjIo1b6sCYS1sVmFhhhahKQssRjRT90ITWUk6vvK3RsPGs+M1RuR mV+hO/VvFAAAAABJRU5ErkJggg== X-Accept-Language: fr, es, en X-Disabled: X-No-Archive: no User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/22.2 (gnu/linux) Cancel-Lock: sha1:85SIlr+P4kTtHm/pYRqpuE4yWR8= Original-Lines: 35 Original-NNTP-Posting-Date: 14 Sep 2008 15:47:47 MEST Original-NNTP-Posting-Host: 88.182.134.169 Original-X-Trace: 1221400067 news-4.free.fr 25360 88.182.134.169:49070 Original-X-Complaints-To: abuse@proxad.net Original-Xref: news.stanford.edu gnu.emacs.help:162229 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:57571 Archived-At: sunway writes: > What you say is close to what I want, I do want to turn a string into > a sexp,but the string could from the minibuffer or somewhere else. > for example, I want to write a function , it takes a string as > argument, the function could turn the string to a sexp, eval it, and > return the result. >From the minibuffer, you can read the s-expression directly. Read the documentation of read-from-minibuffer! (eval (read-from-minibuffer "Expression: " nil nil t)) Since you mention somewhere else, I'll mention also read: (with-temp-buffer (insert "(+ 1 2)\n(* 3 4)\n") (goto-char (point-min)) (list (eval (read (current-buffer))) (eval (read (current-buffer))))) Read the documentation of read! If you don't know it already: C-h f read RET C-h f read-from-minibuffer RET -- __Pascal Bourguignon__ http://www.informatimago.com/ CONSUMER NOTICE: Because of the "uncertainty principle," it is impossible for the consumer to simultaneously know both the precise location and velocity of this product.