怎么做\n
在输出中换行
Dir.chdir 'C:/Users/name/Music'
music = Dir['C:/Users/name/Music/*.{mp3, MP3}']
puts 'what would you like to call the playlist?'
@new = ''
playlist_name = gets.chomp + '.m3u'
music.each do |z|
@new += z + '\n'
end
File.open playlist_name, 'w' do |f|
f.write @new
end
发布于 2018-01-18 14:25:09
使用"\n"
而不是'\n'
发布于 2018-01-18 15:29:37
可以在File.open块中完成所有这些操作:
Dir.chdir 'C:/Users/name/Music'
music = Dir['C:/Users/name/Music/*.{mp3, MP3}']
puts 'what would you like to call the playlist?'
playlist_name = gets.chomp + '.m3u'
File.open playlist_name, 'w' do |f|
music.each do |z|
f.puts z
end
end
https://stackoverflow.com/questions/-100003404
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