[ET Trac] [Einstein Toolkit] #575: McLachlan should use the kranc script instead of calling Mathematica

[Einstein Toolkit]

#575: McLachlan should use the kranc script instead of calling Mathematica
------------------------------------+---------------------------------------
  Reporter:  hinder                 |       Owner:           
      Type:  enhancement            |      Status:  new      
  Priority:  minor                  |   Milestone:           
 Component:  EinsteinToolkit thorn  |     Version:           
Resolution:                         |    Keywords:  McLachlan
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Comment (by eschnett):

 $PIPESTATUS is always 0 for me, even if there is an error.

 Here is my screen output if I introduce an error to WaveToy.m:

 {{{

 $ make
 rm -rf ML_WaveToy
 ./runmath.sh WaveToy.m
 Mathematica 8.0 for Mac OS X x86 (64-bit)
 Copyright 1988-2011 Wolfram Research, Inc.
 User set source language to C
 Processing tensorial arguments
 Computing reflection symmetries
 Creating (component-based) Kranc thorn
 Processing arguments to CreateKrancThorn
 Verifying arguments
 Creating startup file
 Creating configuration file
 Creating interface file
 Creating param file
 Creating schedule file
 Creating MoL registration file
 Creating symmetry registration file
 Creating differencing header file
 Creating calculation source files
 Creating calculation function: WT_Gaussian
 Creating calculation function: WT_RHS

 Throw::nocatch:
    Uncaught Throw[The calculation WT_RHS has both assignments to, and
        derivatives of, the grid functions {u}.  This is not allo<<34>>
        dependent on the ordering of the loop over grid points.] returned
 to
      top level.

 In[1]:=
 PIPESTATUS=[0]
 for thorn in ML_WaveToy; do                             \
                 ./copy-if-changed.sh $thorn ../$thorn;  \
         done
 make: *** [WaveToy.out] Error 2
 }}}

 I added a line to output $PIPESTATUS. No directory ML_WaveToy  is
 generated. There is a file WaveToy.out, and no file WaveToy.err.

-- 
Ticket URL: <https://trac.einsteintoolkit.org/ticket/575#comment:3>
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