Using a CPAN module is really quite easy, especially one that is already included in the standard Perl distro, such as User::pwent: 
use strict;
use User::pwent;

my $user = shift;
my $pw   = getpwnam($user) or die "No user '$user'";

print "'$user' has", 
   $pw->expire ? ' ' : ' not ',
   "expired\n"
;

[download]

"Do you know any way of doing it without add. modules?"

Check out the built-in function getpwent, but try the module out first. It won't bite. ;)

p.s.
I found this information by issuing the following two commands in a terminal:

  1. perldoc User::pwent
  2. perldoc -f getpwent

jeffa

L-LL-L--L-LL-L--L-LL-L--
-R--R-RR-R--R-RR-R--R-RR
B--B--B--B--B--B--B--B--
H---H---H---H---H---H---
(the triplet paradiddle with high-hat)

In reply to (jeffa) 2Re: Detecting Expired User Accounts by jeffa
in thread Detecting Expired User Accounts by hux

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