/ext2/ and $ret .= "\tselect USES_EXT2\n";
/tgz/ and $ret .= "\tselect USES_TGZ\n";
/cpiogz/ and $ret .= "\tselect USES_CPIOGZ\n";
/ext2/ and $ret .= "\tselect USES_EXT2\n";
/tgz/ and $ret .= "\tselect USES_TGZ\n";
/cpiogz/ and $ret .= "\tselect USES_CPIOGZ\n";