Yes .. I do understand the difference between use and require. abc.pl is a global file thats contains common sub-routines (such as Error handling subs, template formating sub, etc) abc.pl is included in all files (even Client.pm) Client.pm looks something like this

--------------client.pm-------------

package Client;
use strict;

require '../somepath/../abc.pl';

sub new {

create and return a hash object

}

sub get_name {

return $_[0]->{'Name'};

}

1;

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I apologize if I am not explaining the code well enough.