我正在尝试在for中扩展一些变量。我不知道该怎么解释,但我认为代码可以很好地说明我想做什么。
@ECHO OFF
SETLOCAL ENABLEDELAYEDEXPANSION
SET arr[0]=C:\Users\me\Desktop\abc
SET arr[1]=C:\Users\me\Desktop\abc2
SET /A arrLastElement=1
CALL :subroutine %arrLastElement% arr
EXIT /B 0
:subroutine
SET lineToExecute=FORFILES /m "*.*" /c "cmd /c echo !dir!"
FOR /L %%i in (0, 1, %1) DO (
SET dir=!%2[%%i]!
ECHO !dir!
ECHO !lineToExecute!
)
EXIT /B 0
实际结果:
C:\Users\me\Desktop\abc
FORFILES /m "*.*" /c "cmd /c echo "
C:\Users\me\Desktop\abc2
FORFILES /m "*.*" /c "cmd /c echo "
预期结果:
C:\Users\me\Desktop\abc
FORFILES /m "*.*" /c "cmd /c echo C:\Users\me\Desktop\abc"
C:\Users\me\Desktop\abc2
FORFILES /m "*.*" /c "cmd /c echo C:\Users\me\Desktop\abc2"
我应该如何编写此代码?
答案 0 :(得分:1)
您正在寻找嵌套延迟扩展。有几种方法可以实现它。我认为最简单的就是这个:
@ECHO OFF
SETLOCAL ENABLEDELAYEDEXPANSION
SET arr[0]=C:\Users\me\Desktop\abc
SET arr[1]=C:\Users\me\Desktop\abc2
SET /A arrLastElement=1
CALL :subroutine %arrLastElement% arr
EXIT /B 0
:subroutine
SET lineToExecute=FORFILES /m "*.*" /c "cmd /c echo %%dir%%"
FOR /L %%i in (0, 1, %1) DO (
SET dir=!%2[%%i]!
ECHO !dir!
call ECHO !lineToExecute!
)
EXIT /B 0