APM: question on variable scope

Mike South msouth at gmail.com
Tue Apr 15 13:53:18 PDT 2008

[Seth, sorry for the repeat, meant to replyall in the first place]

On Tue, Apr 15, 2008 at 4:36 PM, Seth Miller <seth at animejunkie.org> wrote:

> Hello all,
> I've having some trouble with a script.  I'm trying to grab a complete
> list of email accounts on the server and check the password against a
> word list to find weak passwords.  The hash %data has the email
> address in the key and the account password in the value.
> The word list file currently just has the word 'password' for testing
> but it doesn't seem to be working.  Here's the portion of the script
> that's not working
> open (WORDLIST, "<$wordlist") or die "Can't open the wordlist: $!";
> while (my $pass = <WORDLIST>) {

You might need a "chomp $pass;" right here.

My reasoning is that your match is being done against "password[NEWLINE]",
which is what you got from the <> on WORDLIST.

(I didn't test though.)


>  while ( my ($user,$password) = each (%data) ) {
>    print "$user - $password\n" if ($password =~ /$pass/);
>  }
> }
> close WORDLIST;
> #END
> The while loop that iterates through the word list is working because
> if write a die to spit out the value of $pass, it prints the word
> password as expected.  If I change the if statement to if ($value =~
> /password/) it works too.
> Also if I set the value of $pass manually just before the print line,
> it works.  The script just doesn't work as it looks above.  No errors
> or warnings, just no output.  I'm assuming it has something to do with
> the scope of the $pass variable.
> Any ideas?
> --seth
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