http://qs321.pair.com?node_id=11119567


in reply to Re: Learning Programming, desperately need to know what information is contained in scalar variables
in thread Learning Programming, desperately need to know what information is contained in scalar variables

I have the book Learning Perl in it there's a section called "Using Scalar-Producing Expressions in List Context" then it goes on to say "Going this direction is straightforward: if an expression doesn't normally have a list value, the scalar value is automatically promoted to make a one-element list:
@fred = 6 * 7; #gets the one-element list (42) @barney = "hello" . '' . "world";
In the first example, the array @fred on the left hand side of the operator = makes it a list context, did i got it right? In the second example, "hello" . '' . "world; alone is a scalar expression? Is the array @barney on the left hand side of the operator making it into list context like the first example?