[esp-r] Re: sed

Fri Jul 3 07:42:46 BST 2015

Hi Jon,

of course that would be the ideal solution (and was the one chosen
initially, as far as I understood) - the problem seems to be that this does
not work via running ESP-r in script (text) mode. Some years ago I had the
same problem.

@Gian Luca: That sounds like a good trick to try!

Best
Achim

-----Ursprüngliche Nachricht-----
Von: esp-r-bounces at lists.strath.ac.uk
[mailto:esp-r-bounces at lists.strath.ac.uk] Im Auftrag von Jon Hand
Gesendet: Freitag, 3. Juli 2015 07:42
An: gianluca.brunetti at polimi.it; esp-r at lists.strath.ac.uk
Betreff: [esp-r] Re: sed

One approach....
Create alternate named constructions. Then use prj's search and replace
facility to replace construction A with construction B. To check, generate a
model contents report and see the differences. 
-jon hand
________________________________________
From: esp-r-bounces at lists.strath.ac.uk [esp-r-bounces at lists.strath.ac.uk] on
behalf of Gian Luca Brunetti [gianluca.brunetti at polimi.it]
Sent: 02 July 2015 21:23
To: esp-r at lists.strath.ac.uk
Subject: [esp-r] Re: sed

Dear Achim and Arianna and list,
one consideration about the reliability of ESP-r for batch scripting. I
think that it is more rock-solid when ESP-r is compiled for text mode and
not compiled for graphics (then launched with the -text mode option). I
don't know were the difference lies. I have noticed that the two behaviours
are not identical.

Best regards

Gian Luca Brunetti

On 02/07/2015 20:14, Achim Geissler wrote:
Dear Arianna,

as I was the one to give you this idea, I guess I will have to give some
pointers. But keep in mind that this must be considered a hack and you will
likely need to learn a bit about writing shell scripts. You can find ample
information and coding examples for sed and bash scripts in the internet.

You have zones named “bath", “bedroom1", “entrance" and so on.
Correspondingly, you have entries in the .cfg file of the type

*con ../zones/bath.con

*con ../zones/bedroom1.con

and so on. Now, the sequence (e.g. in a bash shell script which runs your
model), the lines

      # Change construction file to CON
      new_bath_con=“*con ../zones/bath_${CON}.con  # construction"
      new_bed1_con=“*con ../zones/bedroom1_${CON}.con  # construction"
      cp ${VAR}.cfg temp.cfg
      sed 's%.*con ../zones/bath_.*%'"${new_bath_con}”'%
           s%.*con ../zones/bedroom1_.*%'"${new_bed1_con}”'%' temp.cfg >
${VAR}.cfg
      rm temp.cfg

should replace the existing con file entries (for bath and bedroom1) in .cfg
by the new ones “bath_${CON}.con” and “bedroom1_${CON}" in the file
${VAR}.cfg (I haven’t tried this exact example, but other similar ones). The
“$” stuff are variables in loops inside your bash script. Basically, you
would need to pre-define your various .con files, e.g. by numbering them
like bath_1.con, bedroom1_1.con and so on (and the initial .cfg would need
to have entries of this type!). Via a list

CONLIST=“1 2 3”

and the loop

foreach CON in $CONLIST
do

<< here the sed changing is done >>

<< here you call bps and do your simulation >>

done

you can run through a series of simulations. I expect many people would
prefer using python or perl for this.

And, as written before, you of course always have the option of managing a
row of models - probably quicker first time round, but in the long run
vastly less elegant and also a lot more prone to errors in my experience. Of
course, it would be easier if the switching of constructions and other files
etc. were reliable when running ESP-r in text mode from a script which I
have also found not to be the case (which originally lead me down the above
described road).

Best
Achim

On 02 Jul 2015, at 16:08, Arianna Sdei
<<mailto:A.Sdei2 at brighton.ac.uk>A.Sdei2 at brighton.ac.uk<mailto:A.Sdei2 at bright
on.ac.uk>> wrote:

Dear All,

have you used sed to modify construction files via scripting? I am having
troubles when I modify construction files to see the effects of increased
external insulation. I am not 100% sure that ESP-r is actually recognizing
the changes I make and I don't trust 100% the results I get at the moment. I
would like to try sed to make sure that my results are rigorous, let me know
if you can help.

Thank you,
regards.
Arianna

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--
Gian Luca Brunetti
dr.arch.
DAStU
Politecnico di Milano
via Bonardi 3
20133 Milano
tel. (+39) 02 2399 5750

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