有没有办法在出现错误时回滚并退出psql脚本?

我的psql脚本如下所示:

-- first set of statements
begin
sql statement;
sql statement;
sql statement;
exception
    when others then
    rollback
    write some output
    (here I want to exit the entire script and not continue on to the next set of statements)
end
/
-- another set of statements
begin
sql statement;
sql statement;
sql statement;
exception
    when others then
    rollback
    write some output
    (here I want to exit the entire script and not continue)
end
/
... and so on

是否可以退出脚本并停止处理脚本的其余部分?