From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Kitchin Subject: Re: [0] Run org-babel src block periodically Date: Sun, 03 Jan 2016 17:30:20 -0500 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:56592) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aFrAQ-0004lL-EC for emacs-orgmode@gnu.org; Sun, 03 Jan 2016 17:30:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aFrAN-0004wQ-53 for emacs-orgmode@gnu.org; Sun, 03 Jan 2016 17:30:26 -0500 Received: from mail-qk0-x236.google.com ([2607:f8b0:400d:c09::236]:34152) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aFrAN-0004vv-1C for emacs-orgmode@gnu.org; Sun, 03 Jan 2016 17:30:23 -0500 Received: by mail-qk0-x236.google.com with SMTP id p187so243055104qkd.1 for ; Sun, 03 Jan 2016 14:30:22 -0800 (PST) In-reply-to: List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: Giri Prashanth Cc: emacs-orgmode This is kind of close to what you want I think (at least it updates every 5 seconds for me, 5 times before it stops). You might adapt it to do what you want. This is the block to run periodically. #+name: time-string #+BEGIN_SRC sh date top -o "cpu" -ncols 4 -l 1| head -n 15 #+END_SRC #+RESULTS: time-string #+begin_example Sun Jan 3 17:28:27 EST 2016 Processes: 225 total, 2 running, 3 stuck, 220 sleeping, 1110 threads 2016/01/03 17:28:27 Load Avg: 1.20, 1.51, 1.55 CPU usage: 5.0% user, 22.50% sys, 72.50% idle SharedLibs: 14M resident, 12M data, 0B linkedit. MemRegions: 57263 total, 3092M resident, 72M private, 450M shared. PhysMem: 6508M used (1098M wired), 1246M unused. VM: 588G vsize, 1067M framework vsize, 6471076(0) swapins, 6831574(0) swapouts. Networks: packets: 190809878/201G in, 277243826/231G out. Disks: 11873268/180G read, 10075469/265G written. PID COMMAND %CPU TIME 96378 com.apple.InputM 0.0 00:00.26 96376 AppleSpell 0.0 00:00.68 96015 head 0.0 00:00.00 #+end_example This function will update that block. We increment a counter and cancel the timer when it is exceeded. #+BEGIN_SRC emacs-lisp (defun update-src-block (fname src-name N) "Update the src-block named SRC-NAME in the file FNAME upto N times." (if (> *counter* N) (progn (cancel-timer *timer*) (message-box "Done with timer")) (save-excursion (with-current-buffer (find-file-noselect fname) (org-babel-goto-named-src-block src-name) (org-babel-execute-src-block) (incf *counter*))))) #+END_SRC #+RESULTS: : update-src-block We use a global var for the counter and timer. #+BEGIN_SRC emacs-lisp (setq *counter* 0) (setq *timer* (run-with-timer nil 5 'update-src-block "/Users/jkitchin/blogofile-jkitchin.github.com/_blog/blog.org" "time-string" 5)) #+END_SRC #+RESULTS: : [nil 22153 41074 708648 5 update-src-block ("/Users/jkitchin/blogofile-jkitchin.github.com/_blog/blog.org" "time-string" 5) nil 0] Giri Prashanth writes: > Hi, > > I would like to run a org-src block code periodically, is there any > property for org-blocks for such repeated execution. > > For example if I want to watch the tail of a file periodically every 1 min > for next 1 hour, I would like to set a property like repeat for times to > repeat and keep the org file auto updated > > #+BEGIN_SRC shell :repeat 60 :repeat-every 60sec > tail -n 10 file > #+END_SRC > > Thank you, > -GP -- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu