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Home: Perl Programming Help: Frequently Asked Questions:
How can I make my hash remember the order I put el

 



Jasmine
Administrator

Jan 19, 2001, 3:32 PM

Post #1 of 1 (1819 views)
How can I make my hash remember the order I put el Can't Post

(From the Perl FAQ)

How can I make my hash remember the order I put elements into it?

Use the Tie::IxHash from CPAN.

Code
    use Tie::IxHash; 
tie(%myhash, Tie::IxHash);
for ($i=0; $i<20; $i++) {
$myhash{$i} = 2*$i;
}
@keys = keys %myhash;
# @keys = (0,1,2,3,...)


 
 


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