I guess this goes back to an earlier question that I was asking. If it were possible to define a variable (such as a counter) and keep updating its value (counter = counter+1), you cold have used printf command to write data to csv, rather than using the table command.
On Thu, Oct 21, 2010 at 12:37 PM, Andrew Makhorin <[email protected]> wrote: > > I am using the standalone GLPK solver and I extract outputs into csv > file. > > Would anyone have an idea how to achieve the following?: > > > > In the table: > > table result {t in TRUCK:sum{s in STOCK}load[s,t]>0} OUT "CSV" > > ".output.csv": (etc) > > > > I would like to have a field with numbers going 1, 2, 3... as far as the > > table reaches. Please note that load[s,t] is a variable, so only at the > end > > of the calculation it is clear, which t in TRUCK will be included in the > > output. > > > > I will be happy for any advice. > > There is no direct way to do this. If your intent is to read that csv > file later in another model with the row numbers provided, you can use > the fake field named RECNO, which is supported by the csv and dbf table > drivers for input tables. In particular, you may use an auxiliary model > that reads the csv file using RECNO and writes complete data to another > csv file. > > > _______________________________________________ > Help-glpk mailing list > [email protected] > http://lists.gnu.org/mailman/listinfo/help-glpk > -- _________________________________________ Suleyman Demirel - Office: (734) 647-3167 PhD Candidate in Operations Management Stephen M. Ross School of Business University of Michigan, Ann Arbor Web: http://www.umich.edu/~sdemirel _________________________________________
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