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Re: [O] Redirecting stderr to stdout with babel/shell


From: John Kitchin
Subject: Re: [O] Redirecting stderr to stdout with babel/shell
Date: Sun, 11 Jan 2015 11:44:03 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (darwin)

Karl Voit <address@hidden> writes:

Weird. It works for me on MacOSX with bash. Out of curiosity, did you
try the source: 
http://kitchingroup.cheme.cmu.edu/org/2015/01/04/Redirecting-stderr-in-org-mode-shell-blocks.org?

I updated the web page with Achim's  simpler solution.

> * John Kitchin <address@hidden> wrote:
>> Check out this solution:
>>
>> http://kitchingroup.cheme.cmu.edu/blog/2015/01/04/Redirecting-stderr-in-org-mode-shell-blocks/
>
> Hm. This does not work on my machine: Debian Wheezy GNU/Linux
>
> Testing the current satus (again):
>
> #+BEGIN_SRC sh :results output
> echo "testing stdout" >&1
> echo "testing stderr" >&2
> date -g
> #+END_SRC
>
> #+RESULTS:
>
> ... no stderr on stdout and date error message in second buffer
>
>
> Creating a wrapper-script similar as described in web-page above:
>
> #+BEGIN_SRC sh
> echo '#!/usr/bin/zsh
> {
> /usr/bin/zsh $1
> } 2>&1' > ~/src/misc/zsh_stderr_redirected_to_stdout.sh
> chmod +x ~/src/misc/zsh_stderr_redirected_to_stdout.sh
> cd ~/bin
> ln -s ../src/misc/zsh_stderr_redirected_to_stdout.sh .
> #+END_SRC
>
> #+RESULTS:
>
> Setting the sh-command to this wrapper-script:
>
> #+BEGIN_SRC elisp
> (setq org-babel-sh-command "~/bin/zsh_stderr_redirected_to_stdout.sh")
> #+END_SRC
>
> #+RESULTS:
> : ~/bin/zsh_stderr_redirected_to_stdout.sh
>
> Re-testing status:
>
> #+BEGIN_SRC sh :results output
> echo "testing stdout" >&1
> echo "testing stderr" >&2
> date -g
> #+END_SRC
>
> #+RESULTS:
>
> ... no change except the second buffer for the date error message is
> empty. So it's actually worse than before.
>
>
> Trying with bash (as web-page did):
>
> #+BEGIN_SRC sh
> echo '#!/bin/bash
> {
> /bin/bash $1
> } 2>&1' > ~/src/misc/bash_stderr_redirected_to_stdout.sh
> chmod +x ~/src/misc/bash_stderr_redirected_to_stdout.sh
> cd ~/bin
> ln -s ../src/misc/bash_stderr_redirected_to_stdout.sh .
> #+END_SRC
>
> #+RESULTS:
>
> Setting the sh-command to this wrapper-script:
>
> #+BEGIN_SRC elisp
> (setq org-babel-sh-command "~/bin/bash_stderr_redirected_to_stdout.sh")
> #+END_SRC
>
> #+RESULTS:
> : ~/bin/bash_stderr_redirected_to_stdout.sh
>
> Same result as with zsh :-(
>
>
> Re-setting to standard settings to revoke tests from above:
>
> #+BEGIN_SRC elisp
> (setq org-babel-sh-command "sh")
> #+END_SRC
>
> #+RESULTS:
> : sh
>
> Re-testing status:
>
> #+BEGIN_SRC sh :results output
> echo "testing stdout" >&1
> echo "testing stderr" >&2
> date -g
> #+END_SRC
>
> #+RESULTS:

--
-----------------------------------
John Kitchin
Professor
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803
http://kitchingroup.cheme.cmu.edu



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