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文字列からハッシュに変換

Posted at

ググると二回ループを回す例が多いですが、一回で出来ます。

string_to_hash.pl
use Data::Dumper;
# この例では「,」がレコードの区切り、「:」がキーと値の区切り
my $string = "1:abc,2:def,3:ghi,4:jkl";

my %hash = split(/[:,]/, $string)

print Dumper \%hash;

実行結果

$VAR1 = {
          '4' => 'jkl',
          '1' => 'abc',
          '3' => 'ghi',
          '2' => 'def'
        };

ハッシュなので順番は保障されません。

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