Sebastian Hungerecker
8/29/2007 9:22:00 PM
7stud 7stud wrote:
> In irb, an array displays like this:
>
> irb(main):001:0> a = %w(bird dog cat)
> => ["bird", "dog", "cat"]
> irb(main):002:0>
>
> Is there a command to get the same format when I display an array with a
> program?
p (which is equivalent to puts foo.inspect)
> Also, this code:
>
> a1 = %w(cat dog bird)
> puts a1
>
> a2 = %w{john joe jim}
> puts a2
>[...]
> seems to suggest that braces and parentheses are equivalent. Is that
> the case?
You can use any non-alphanumeric character with %w (or %r or whatever). It
won't make a difference. Examples:
%w<la lu li>
%w_li la lo_
%w#chunky bacon#
%w)foo bar) # This one's strange, I know.
etc.
HTH,
Sebastian
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