kya_yan 2017-09-17 14:17 采纳率: 33.3%
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已结题

perl 数组移除一个hash,返回一个新数组

 my @products = (
            {"value"=> "apple", "mount"=>"1"},
            {"value"=> "bag", "mount"=>"2"},
            {"value"=> "car", "mount"=>"3"}
 );

移除value为bag的hash,返回新的数组

my @newproducts = (
                {"value"=> "apple", "mount"=>"1"},
                {"value"=> "car", "mount"=>"3"}
);
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1条回答

  • yuxi_2018 2017-09-21 09:28
    关注

    #! /usr/bin/perl -w
    use Data::Dumper;
    my @products = (
    {"value"=> "apple", "mount"=>"1"},
    {"value"=> "bag", "mount"=>"2"},
    {"value"=> "car", "mount"=>"3"}
    );
    my @newproducts = ();
    foreach my $tmp (@products) {
    next if (grep (/^bag$/,values %{$tmp}));
    push @newproducts,$tmp;
    }
    print Dumper(\@products);
    print Dumper(\@newproducts);

    亲测可用

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