Oracle 10g - 将查询结果写入文件

I want to run 200+ select queries and append the results to a file. All queries are the same the only difference in the date-time variable. I don't have privileges to create a routine that's why I had to create all the queries. I don't have privileges to create a view or another table to store the results in. I don't have access to PL/SQL.I want to run 200+ select queries and append th