Usually something like this is a very bad idea and its much better idea to use something like list or associative array, but if you really want to do something like this you are missing quotes if you want to get the names
Names Default To Here(1);
Delete Symbols();
dt = Open("$SAMPLE_DATA/Big Class.jmp");
For(i = 1, i <= N Col(dt), i++,
ca = Column(i) << Get Name;
Eval(Parse("c" || Char(i) || "= \!"" || ca || "\!""));//?
);
Show Symbols();
-Jarmo