完整案例：

Code:
set /p="hello "set /p="world "echo again
echo new line

Result:
hello world again
new line

应用：

echo off

set csvpath=测试数据
set sqluldr=D:\sqluldr\sqluldr2sdk\sqluldr2
set sqlpath=导出模板

rem set filename=产品行情
rem sqluldr2 gtcustomer/passwd file=%csvpath%\%filename%.csv text=csv field=, sql=exp%filename%.sql log=%csvpath%\%filename%.log
rem
rem set filename=产品行情更新
rem sqluldr2 gtcustomer/passwd file=%csvpath%\%filename%.csv text=csv field=, sql=exp%filename%.sql log=%csvpath%\%filename%.log

set expfpath=百万级
echo 导出%expfpath%数据：
for %%i in (%sqlpath%\%expfpath%\exp*.sql) do (
    set /p="导出数据: %%~ni"    %sqluldr% gtcustomer/passwd file=%csvpath%\%expfpath%\%%~ni.csv text=csv field=, sql=%%i log=%csvpath%\%expfpath%\%%~ni.log
 echo ............ok.
)

set expfpath=千万级
echo 导出%expfpath%数据：
for %%i in (%sqlpath%\%expfpath%\exp*.sql) do (
    set /p="导出数据: %%~ni"    %sqluldr% gtcustomer/passwd file=%csvpath%\%expfpath%\%%~ni.csv text=csv field=, sql=%%i log=%csvpath%\%expfpath%\%%~ni.log
 echo ............ok.
)

pause &