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Re: [Help-glpk] Problem with GLPK

From: Andrew Makhorin
Subject: Re: [Help-glpk] Problem with GLPK
Date: Tue, 22 Mar 2016 08:50:00 +0300

> I have a mac Yosemite 10.10.5. I installed GLPK with brew (the command
> brew install glpk) and now I have glpk 4.56.
> When I try glpsol —help, it does work.
> But when I try to solve a Linear programming model, it does not work.
> I write my model on a TXT file (model.txt) and then I saved it on my
> Desktop. After that I use Terminal and write de command glpsol -m
> model.txt.
> I have:
> Samanthas-MacBook-Pro:~ laisamantha$ glpsol -m model.txt
> GLPSOL: GLPK LP/MIP Solver, v4.56
> Parameter(s) specified in the command line:
>  -m model.txt
> Reading model section from model.txt...
> (unknown):0: unable to open model.txt - No such file or directory
> Context:                                                             
> MathProg model processing error
> Samanthas-MacBook-Pro:~ laisamantha$ 
> What is the problem? I really wrote my model correctly, and don’t what
> ”  No such file or directory” means!

"No such file or directory" means that model.txt sits somewhere else,
but not in the current directory. You may enter the command "ls" to see
the current directory listing.

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