A wrapper to use Xmgrace's curve fitting capability on the shell.
...The -s or --scripty option returns all result values xmgrace provide in an EVALuable format to make them easy available in shell scripts.
*) http://plasma-gate.weizmann.ac.il/Grace/
...
* Graphical interface
* Perform time consuming computations on multiple computers
* Plugin your own model
* Fit data with Minuit
* Plot data and models with Grace