Re: [Bug-glpk] GLPK bug

[Andrew Makhorin]

> GLPK 4.20 (and earlier versions) has a minor bug when writing data to
> a file. (For example, the lpx_write_mps function.) The bug is that an
> informational message is printed regardless of the message level  
> setting. Even if the message level is set to GLP_MSG_OFF (no output),
> the file saving functions in GLPK still send output to the console.

The option msg_lev affects only the output from the solvers. Currently
to disable/redirect the terminal output you should use the api routine
glp_term_hook. However, all utility routines will be replaced by a new
version, which will have an option to control the terminal output.