Batch-converting mod to nl files

[Luis de la Torre]

I want to write nl files from a large number of mod files. Can I do this for each file with a one-liner from a terminal (so I can loop through all mod files and write nl files in a shell script)?

Thanks,

Luis de la Torre

[victor.z...@gmail.com]

Yes, you can generate an .nl file from ampl files with -o option:

   ampl test.mod -ogtest.nl

which can be used in a shell loop such as

  for f in *.mod; do ampl -og$f.nl $f; done

See also the output of "ampl -h" and "ampl -o?" for more details on ampl command line options in general and -o in particular.

HTH,

Victor

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[Luis de la Torre]

When I try this, I get "can't open -ogtest.nl"

If I do
ampl -> model test.mod; -> write gtest;

using the same mod file, I do successfully create an .nl file.

[victor.z...@gmail.com]

Sorry, the -o option should precede the file names in the first example:

  ampl -ogtest.nl test.mod

HTH,

Victor