对于数组,当我输入:
puts array[0]
==> text
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然而,当我打字
puts array[0].to_s
==> ["text"]
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为什么括号和引号?我错过了什么?
ADDENDUM:我的代码看起来像这样
page = open(url) {|f| f.read }
page_array = page.scan(/regex/) #pulls partial urls into an array
partial_url = page_array[0].to_s
full_url = base_url + partial_url #adds each partial url to a consistent base_url
puts full_url
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我得到的是:
http://www.stackoverflow/["questions"]
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