getpwnam returns undef if the account doesn't exist. Try this:

my $username = SomeSubToGetUsername;
my $check = getpwnam($username);
if ($check) {
# account exists
...
}
else {
# account does not exist
...
}

[download]

Hope this helps.

antirice    
The first rule of Perl club is - use Perl
The ith rule of Perl club is - follow rule i - 1 for i > 1

In reply to Re: Re: Re: problem of a beginner by antirice
in thread Parsing and verifying login for a CGI form by Anonymous Monk

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