If I have a array: a = [ "a", "a", "b", "b", "c" ]
How can I get a string: "a, a, b, b, c"
···
--
Posted via http://www.ruby-forum.com/.
Fresh Mix schrieb:
If I have a array: a = [ "a", "a", "b", "b", "c" ]
How can I get a string: "a, a, b, b, c"
[ "a", "a", "b", "b", "c" ].join(', ')
If I have a array: a = [ "a", "a", "b", "b", "c" ]
How can I get a string: "a, a, b, b, c"
By using Array#join
>>> irb
>> a = [ "a", "a", "b", "b", "c" ]
=> ["a", "a", "b", "b", "c"]
>> a.join(", ")
=> "a, a, b, b, c"