#!/usr/bin/perl -w
use strict;



# better to have it as a clearly defined parameter
# mine is 500 for example
my  $MIN_USER_UID = 1000;

$|++;

open PASSWD, '/etc/passwd';
my @user;
while (<PASSWD>){
  my @field = split /:/;
  system ("find '/home/u1'  -user $field[0] -print >$field[0]") if($field[2] > $MIN_USER_UID);
  }