Erm . . . ouch.

• The quotes around "$code[0]" are superfluous, to start
• You could have just written it as "$code[0].$code[1].$code[2]" in one swell foop
• Of course that locks you in to a fixed number of elements; if you want to join an arbitrary number of items in @code then just use join: $item = join( ".", @code );

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