EXAMPLE
#!/usr/local/bin/perl -w
use File::Find;
use Config::IniFiles;
use strict;
my $cfg = new Config::IniFiles( -file => "config.ini" );
my $start = $cfg->val('FIND', 'start');
my $wanted = $cfg->val('FIND', 'wanted');
my @filesfound = File::Find::find( sub {eval $wanted} , "$start" );
foreach my $file (@filesfound) {
 print "$file is in the $start directory\n";
}

contents of config.ini
[FIND]
start = /tmp
wanted = print("$File::Find::name\n");