# .cshrc
 setenv APPCONFIG /Users/metaperl/.appconfig # dont forget the dot!!!
 setenv APPCONFIG_DBI "${APPCONFIG}-dbi"

# .appconfig-dbi
 [basic]
 user = postgres
 dsn = dbi:Pg:dbname=mydb
 attr RaiseError =  0
 attr PrintError =  0
 attr Taint      =  1

# DBIx::AnyDBD usage:
 my @connect_data = AppConfig::DBI->connect_data_for('dev_db');
 my $dbh          = DBIx::AnyDBD->connect(@connect_data, 'MyClass');

 # pure DBI usage
 use AppConfig::DBI;
my $config = shift or die 'must give label for config';
 my $dbh    = AppConfig::DBI->connect($config);
# over-ride .appconfig-dbi from the command line:
 perl dbi-script.pl basic -basic_user tim_bunce -basic_pass dbi_rocks

 perl dbi-script.pl basic -basic_attr 'RaiseError=1' -basic_attr 'Taint=1'