Joins are a little more expensive; If the number of elements in @out (num lines * num items per line) is in the millions, using $" is noticeably faster. If the expected size of the output will not be this huge, however, using join is much cleaner, as you pointed out.

In reply to Re^3: Print AOA into tab sep values by dvryaboy
in thread Print AOA into tab sep values by Anonymous Monk

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