You can use the
Array#join method to convert an array to a string, separated by the given separator. For example, to separate each string with a comma and a space (i.e. "
, "), you would do the following:
numbers = [1, 2, 3].join(", ") puts numbers #=> "1, 2, 3" puts numbers.class #=> String
If no separator is specified, the default separator for
Array#join is used (as defined by the
$, global variable). If both the separator and
nil, then an empty string is used as a separator:
numbers = [1, 2, 3].join puts numbers #=> "123" puts numbers.class #=> String
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