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A complete list of parameters is in the chapter on Command Line Parameters. Perhaps the most desirable options to consider for run customization are
| Charset | Causes use of extended (international) character set. |
| CNS | Name to be used for default CNS solver. |
| Dformat | Date format to use in output. |
| DNLP | Name to be used for default DNLP solver. |
| Errmsg | Controls position of error messages in echo print and through use of Errmsg=1 allows one to reposition error messages to just after error marking. |
| Inputdir | Input search paths. Can include several directories separated by OS specific symbols. |
| Inputdir1 to 40 | Input search path names to be used. Default is no search path. |
| Libincdir | Library include directory. Used to complete a filename for $Libinclude. |
| Limcol | Include the first n cases for each named variable in the LST file. |
| Limrow | Include the first n cases for each named equation in the LST file. |
| Logoption | Controls destination for the Log file, used with setting of 2 to permit Unix/Linux jobs to operate in background. |
| LP | Name to be used for default LP solver. |
| MCP | Name to be used for default MCP solver. |
| MINLP | Name to be used for default MINLP solver. |
| MIP | Name to be used for default MIP solver. |
| MPEC | Name to be used for default MPEC solver. |
| NLP | Name to be used for default NLP solver. |
| Optdir | Location to look for solver option files. |
| Optfile | Default value for model.optfile, can be set to 1 if one always wants GAMS to look for option file. |
| Pagesize | Page size. If less than 30 it will be reset to the default of 60. |
| Pagewidth | Print width. This value should be between 72 and 32767. |
| Profile | Causes GAMS to include information on statement execution time and memory use in LST file allowing one to find slow or large memory using statements. |
| Ps | Page size. If less than 30 it will be reset to the default of 60. |
| Putdir | Default directory where put files will be saved. If not specified, it will be set to the work directory. |
| Pw | Print width. This value should be between 72 and 32767. |
| RMINLP | Name to be used for default RMINLP solver. |
| RMIP | Name to be used for default RMIP solver. |
| Savepoint | Save a point GDX file with the current solution. |
I will not describe these fully here, as the GAMS Command Line Parameters chapter does an extensive job.
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