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[Help-glpk] [Fwd: RES: script file]

From: Andrew Makhorin
Subject: [Help-glpk] [Fwd: RES: script file]
Date: Fri, 29 Jul 2011 16:52:06 +0400

-------- Forwarded Message --------
From: Joao Flavio de Freitas Almeida <address@hidden>
To: 'address@hidden' <address@hidden>
Cc: 'address@hidden' <address@hidden>, 'João Flávio de Freitas
Almeida' <address@hidden>
Subject: RES: [Help-glpk] script file
Date: Fri, 29 Jul 2011 08:55:02 -0300

Thanks Xypron for the quick answer!

The content of could have: (I send attached a file as an


1.     All printf functions (separating it from the model file and
setting the extensions .txt, .xls …etc without need to set these
parameters on model file) as the example below:


From: (param Finance, symbolic, default " Finance.txt";)

To: ( >>Finance.txt) at the end of each printf line.


2.     All Glpk run parameters available on glpsol --help:


3.     And a functionality to solve different random problems setting
parameters for loopping commands (using param, let, reset and solve
commands) for robust or stochastic optimization besides the model and
data (glpsol -m mymodel.mod -d mydata.dat) calls.


As presented in the AMPL link:


param nruns := 5;

        param optvalue {1..nruns};

       for {k in 1..nruns} {

           reset data avail;


           let optvalue[k] := total_profit;


        display (sum {k in 1..nruns} optvalue[k]) / nruns;


Best regards

João Flávio F. Almeida


---------- Mensagem encaminhada ----------
De: glpk xypron <address@hidden>
Data: 28 de julho de 2011 13:37
Assunto: Re: [Help-glpk] script file
Para: "\"João Flávio de Freitas Almeida\"" <address@hidden>,

Dear João,

what should be the content of

Would it be more than a trivial shell script:

glpsol -m mymodel.mod -d mydata.mod

Please, describe the value added.

Best regards


-------- Original-Nachricht --------
> Datum: Wed, 27 Jul 2011 23:14:21 -0300
> Betreff: [Help-glpk] script file

> Hi,
> Why Glpk doesn't have a script file for running models as CPLEX or
> Wouldn't it be an improvement? Just a suggestion to consider or not.
> On prompt we would be able to call it by (for example):
> C:\gmpl
> Bests,
> João Flávio F. Almeida

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