From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Schulte <eric.schulte@gmx.com>
Subject: Re: Blank first line in a tangled file prevents src block execution
Date: Fri, 09 Mar 2012 15:26:57 -0700
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In-Reply-To: <6613.1331330909@alphaville> (Nick Dokos's message of "Fri, 09
	Mar 2012 17:08:29 -0500")
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To: nicholas.dokos@hp.com
Cc: Emacs orgmode <emacs-orgmode@gnu.org>

Nick Dokos <nicholas.dokos@hp.com> writes:

> Leo Alekseyev <dnquark@gmail.com> wrote:
>
>> I have the following source block that I tangle to produce a short script:
>> 
>> #+begin_src sh :tangle code/get_wavs.sh
>>   #!/bin/bash
>>   for fn_in in "$@"; do
>>       fn_out=$(sed -e 's|\.3gp$||g' -e 's|$|.wav|g' <<< $fn_in)
>>       ffmpeg -i $fn_in -vn -f wav -acodec pcm_u8 $fn_out
>>   done
>> #+end_src
>> 
>> However, the tangled file has a blank first line.  As a result, I
>> can't seem to run this script either using sh -c, or by putting it
>> inside a code block.  In other words, the following line fails:
>> 
>
> Add ":padline no"
>

Or try

#+begin_src sh :tangle code/get_wavs.sh :shebang #!/bin/bash
  for fn_in in "$@"; do
      fn_out=$(sed -e 's|\.3gp$||g' -e 's|$|.wav|g' <<< $fn_in)
      ffmpeg -i $fn_in -vn -f wav -acodec pcm_u8 $fn_out
  done
#+end_src

-- 
Eric Schulte
http://cs.unm.edu/~eschulte/