Raphael Collet wrote:
Alan Oswald wrote:
The GetText function uses get($) as a text string. How do I get it
as a number?
Convert it: {String.toInt "42"} returns 42.
raph
A more powerful way is to compile it:
I={Compiler.evalExpression "42" env _}
This compiles the string as if you typed it as source code, and then
evaluates
the expression. The general calling sequence is:
E={Compiler.evalExpression Expr Env KP}
where Expr is a string, Env is an environment (a record whose fields
give values to
the free identifiers in Expr, e.g., env('Sin':Sin) if you use the sine
function Sin in Expr),
and KP is a kill procedure (a nullary procedure that you can call to
stop a compilation
that is taking too long). See the documentation of the Compiler module
for more
information!
Peter
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