Using a variable in a command insdie a function

[Edward C. Jones]

I have a command inside a function. I want the command to depend on some 
variable. Here is an ugly way to do it:

function silly
   filename = 'mess.asc';
   x = 77;
   s = ['save -ascii ' filename ' x'];
   eval(s);
endfunction

Is there a better way? Is there a function corresponding to the "save" 
command?



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