Load hash from a scalar

I want to load the value from scalar variable to a hash

Example:
my $a = "a, 1, b, 2, c, 3";

Now, I need to create a hash %b, which holds values like
%b = { a => 1, b => 2, c => 3 };

TIA.

• Load hash from a scalar by scooter
• RE: Load hash from a scalar by sanket vaidya
• Re: Load hash from a scalar by John W. Krahn
• Re: Load hash from a scalar by John W. Krahn