evaluate string as a variable

Hi All,

An example:

aa = new(3,"integer")
bb = "aa"

now, I would like to be able to do something akin to the following:

print(all(ismissing($bb$)))

and have it return the result evaluated for the variable 'aa'.

Alternatively, if there is a way to evaluate a string as an ncl command,
e.g.:

eval( "print(all(ismissing(" + bb + ")))" )

Is there a way I can do this?

thanks,
guillaume

-- 
guillaume mauger
http://ieng9.ucsd.edu/~gmauger/
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