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Hi

For one project, I am usinr org to write submit scripte to a cluster
runing torqu. The important bit in this is, that between the shebang and
the code, no other executable line must occur. As I am using variables
in org (:var) they will occur just after the shebang, which causes a
problem for torque. So, my question is, is there a way to "unset"
variables defined by using :var for a subtree?

#+BABEL: :session *R* :results output :exports both :tangle
Analysis_sensitivity.R :var RESULTSDIR="/media/Results/" :var
ANALYSISDIR="~/Documents/Projects/analysis/"


* submit script (SA.sub)
:PROPERTIES:
:tangle:   ./SA.sub
:exports: code
:END:
#+begin_src sh
  #PBS -j y
  #PBS -M rai...@krugs.de
  #PBS -V
  #PBS -l nodes=1:mem=4gb
  ##
  cd $PBS_O_WORKDIR
#+end_src

I would need the tangled code to be :

#!/bin/bash
#PBS -j y
#PBS -M rai...@krugs.de
#PBS -V
#PBS -l nodes=1:mem=4gb
##
cd $PBS_O_WORKDIR

But it is

#!/bin/bash
RESULTSDIR=/media/Results/
ANALYSISDIR=~/Documents/Projects/analysis/
#PBS -j y
#PBS -M rai...@krugs.de
#PBS -V
#PBS -l nodes=1:mem=4gb
##
cd $PBS_O_WORKDIR


But RESULTSDIR and ANALYSISDIR is used in the remainder of the document
(several other subtrees)

Any help appreciated,

Rainer

- -- 
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation
Biology, UCT), Dipl. Phys. (Germany)

Centre of Excellence for Invasion Biology
Natural Sciences Building
Office Suite 2039
Stellenbosch University
Main Campus, Merriman Avenue
Stellenbosch
South Africa

Tel:        +33 - (0)9 53 10 27 44
Cell:       +27 - (0)8 39 47 90 42
Fax (SA):   +27 - (0)8 65 16 27 82
Fax (D) :   +49 - (0)3 21 21 25 22 44
Fax (FR):   +33 - (0)9 58 10 27 44
email:      rai...@krugs.de

Skype:      RMkrug
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