如果要使用% w (a b c)语法,如何在 Ruby 数组中添加空格字符?
Escape it:
%w(a b\ c) # => ["a", "b c"]
Try this:
>> a = %w(a\ b c) => ["a ", "b", "c"]
>> a = %W[a \s b] => ["a", " ", "b"]