note linuxer <p>The module fails to create an object. As a result <c>$overlay</c> is undefined.</p> <p>You should check the result of object creation and have a look at <c>@Config::IniFiles::errors</c> upon failure.</p> <code> my $cfg = Config::IniFiles->new( -file => 'test.ini' ) or die "Failed to create Config::IniFiles object: @Config::IniFiles::errors\n"; </code> <p><b>addendum:</b> example: <code> 0 linuxer@host /tmp $ cat /tmp/a.pl && perl /tmp/a.pl #! /usr/bin/perl use strict; use warnings; use Config::IniFiles; my $overlay = Config::IniFiles->new(-file => 'test.ini') or die "Failure: @Config::IniFiles::errors\n"; $overlay->newval("section1", "arg1", "anotherval"); $overlay->WriteConfig(-delta=>1); __END__ Failure: Empty file treated as error 255 linuxer@host /tmp $ </code> 900239 900239