Note that your code here: 

sub get_md5 
{
 md5_hex("$secret" . "$_")
};

[download]

uses two globals and would probably be better written to use parameters: 

sub get_md5 
{
 my($my_secret, $data) = @_;
 md5_hex($my_secret . $data);
};

[download]

In reply to Re: Creating a hash with key generated by a sub? by gaal
in thread Creating a hash with key generated by a sub? by smullis

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