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我想学习Perl中复杂的数据结构,对于II已经写了代码,但我没有得到任何输出:如何打印哈希散列在一个哈希是参考其他
#!/usr/bin/perl
use strict;
use warnings;
my %abc=(Education => "BE",Marital_Status => "Single", Age => "28", Working_Exp => "4yrs");
my %cde=(Education => "BE",Marital_Status => "Single", Age => "29", Working_Exp => "5yrs");
my %info =(info_one => "\%abc", info_two => "\%cde");
foreach my $val (keys %info)
{
foreach my $check (keys %{$info{val}})
{
print ${$info{val}}{check}."\n";
}
}
使用匿名哈希将帮助您存储和管理数据。 –
@NaghaveerRGowda:你的意思是,使用“[hashrefs](http://stackoverflow.com/questions/1817394/whats-the-difference-between-a-hash-and-hash-reference-in-perl)”,以及你想要更精确地说“会帮助你存储和管理数据”:) –
@DanDascalescu:是它的“hashrefs”和谢谢丹:) –