How to write a JSL script to copy and paste a data table Source into another data table?

[#1]

[#2 · Accepted solution]

Here is one option

Names Default To Here(1);
dt = Open("$SAMPLE_DATA/Big Class.jmp");

// create table with 
dt_summary = dt << Summary(
	Group(:age),
	Mean(:height),
	Mean(:weight),
	Freq("None"),
	Weight("None")
);

source_script = dt_summary << Get Property("Source");
close(dt_summary, no save);

Eval(EvalExpr(
	dt << New Script("SourceFromSummary",
		Expr(Name Expr(source_script))
	);
));