bat脚本实现枚举本地磁盘，并从A-Z中找出一个可用磁盘映射

如题：假如本地计算机有A（软盘）、B（软盘）、C（物理硬盘）、D(光驱，未放光盘)，四个盘，则能找出 A:E:、B:F:、C:G:、D:H:四种映射方法，依此类推。

代码通过bat脚本实现

@Echo Off
setlocal enabledelayedexpansion

SET TEMP_DIR=temp.clone
SET RCOPY_LOG=C:\%TEMP_DIR%\rcopy.log
SET RCOPY_XP_PATH=C:\%TEMP_DIR%\diskXP.txt
SET SRC_TXT=C:\%TEMP_DIR%\disk.txt
::disk.txt had writed A:\r\nB:\r\nC:\r\nD:

set /A count=0
set volumeInfo[%count%]="0"
set volumeList[%count%]="0"
:: List of all possible drive letters
set "letters=C D E F G H I J K L M N O P Q R S T U V W X Y Z"

:: Initialize the usedDrives variable
set "usedDrives="

:: Get all current drives and skip the header
for /f "skip=1 tokens=1" %%a in ('wmic logicaldisk get caption') do (
    set "usedDrives=!usedDrives! %%~a"
)


:: Check each letter and echo if it's not in use
for %%b in (%letters%) do (
    set "found=0"
    for %%c in (!usedDrives!) do (
        if /i "%%b:"=="%%c" set "found=1"
    )
    if !found! equ 0 (
echo %%b
        echo %%b >> %RCOPY_LOG%
set /A count+=1
set volumeInfo[!count!]=%%b:
    )
)

set /A count=0

for /f "tokens=1,2 delims=" %%s in (%SRC_TXT%) do (
echo %%s >>%RCOPY_LOG%
set /A count+=1
set volumeList[!count!]=%%s
)

for /l %%i in (1,1,!count!) do (
echo !volumeList[%%i]!!volumeInfo[%%i]!>>%RCOPY_XP_PATH%
) 

原文地址：https://blog.csdn.net/qq_33335872/article/details/144742442

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