摘要：
@backwards = reverse qw /yabba dabba doo /;$fred = @backwards; # 3($fred) = @backwards; # doo@betty = (); #将数组置空的正确方法@rocks = qw(talc quartz jade obsidian);print @rocks, "\n"; #talcquartzjadeobsidianprint scalar @rocks, "\n"; # 4<STDIN>在标量context 中返回输入的下一行。在列表context 中，它将返回 阅读全文
