/tmp>env - perl -MDBI -e 'print DBI->connect("dbi:SQLite:foo","","",{PrintError=>1})->{PrintError}' 1 /tmp>env - DBI_DRIVER=SQLite perl -MDBI -e 'print DBI->connect("DBD:MariaDB:foo","","",{PrintError=>1})->{PrintError}' 1 /tmp>env - DBI_DRIVER=SQLite perl -MDBI -e 'print DBI->connect("DBD:MariaDB:foo","","",{})->{PrintError}' 1