原文载于:http://robinwu.iteye.com/blog/145514
其中最重要的、忽略一切转义字符、多行大包围、相当于''的多行版本
1 str = <<'EOF' 2 This isn't a tab: \t 3 and this isn't a newline: \n 4 EOF 5 6 puts str