terse

代码比较长

@echo off&setlocal enabledelayedexpansion
set str1=998555947008
set str2=1000202272768
set u=2
for %%i in (str1 str2) do if "!%%i:~,1!" == "-" set /a d+=1
if "%d%" == "1" (set d=-) else set "d="
set l=00000000&for /l %%i in (1 1 7) do set "l=!l!!l!"
set "var=4096 2048 1024 512 256 128 64 32 16 8 4 2 1"
for /l %%i in (1 1 2) do (
    set "str%%i=!str%%i:-=!"
    set /a "n=str%%i_2=0"
    for %%a in (!str%%i:.^= !) do (
        set /a n+=1
        set s=s%%a&set str%%i_!n!=0
        for %%b in (%var%) do if "!S:~%%b!" neq "" set/a str%%i_!n!+=%%b&set "S=!S:~%%b!"
        set /a len%%i+=str%%i_!n!
    )
        set str%%i=!str%%i:.=!
)
if !str1_2! gtr !str2_2! (set /a len2+=str1_2-str2_2) else set /a len1+=str2_2-str1_2
for /l %%i in (1 1 2) do (
    set str%%i=!str%%i!!l!
    for %%j in (!len%%i!) do set " str%%i=!str%%i:~,%%j!"
)
for /f "tokens=* delims=0" %%i in ("!str2!") do set s=%%i&set "str2=0%%i"
set len2=1
for %%j in (%var%) do if "!S:~%%j!" neq "" set/a len2+=%%j&set "S=!S:~%%j!"
set /a len=len2+1
if !len1! lss !len2! set len1=!len2!&set "str1=!l:~-%len2%,-%len1%!!str1!"
set /a len1+=u&set str1=0!str1!!l:~,%u%!
set str=!str1:~,%len2%!
set "i=0000000!str2!"&set /a Len_i=Len2+7
for /l %%i in (1 1 9) do (
    set "T=0"
    for /l %%j in (8 8 !Len_i!) do (
        set /a "T=1!i:~-%%j,8!*%%i+T"
        set Num%%i=!T:~-8!!Num%%i!&set /a "T=!T:~,-8!-%%i"
    )
    set Num%%i=!T!!Num%%i!
    set "Num%%i=0000000!Num%%i:~-%Len%!"
)
for /L %%a in (!len2! 1 !Len1!) do (
    set "str=!L!!str!!str1:~%%a,1!"
    set "str=!str:~-%Len%!"
    if "!str!" geq "!str2!" (
       set M=1&set i=0000000!str!
       for /l %%i in (2 1 9) do if "!i!" geq "!Num%%i!" set "M=%%i"
           set sun=!sun!!M!&set str=&set T=0
           for %%i in (!M!) do (
               for /l %%j in (8 8 !Len_i!) do (
                   set /a "T=3!i:~-%%j,8!-1!Num%%i:~-%%j,8!-!T:~,1!%%2"
                   set "str=!T:~1!!str!"
               )
           )
    ) else set sun=!sun!0
)
     set sun=!sun:~,-%u%!.!sun:~-%u%!
echo %d%!sun!
pause
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terse

回复 4# strolley

@echo off&setlocal enabledelayedexpansion

call:division 998555947008 1000202272768 quot 2

echo %quot%

pause&exit
:division
setlocal
set str1=%1
set str2=%2
if "%~4" neq "" set u=%4
for %%i in (str1 str2) do if "!%%i:~,1!" == "-" set /a d+=1
if "%d%" == "1" (set d=-) else set "d="
set l=00000000&for /l %%i in (1 1 7) do set "l=!l!!l!"
set "var=4096 2048 1024 512 256 128 64 32 16 8 4 2 1"
for /l %%i in (1 1 2) do (
    set "str%%i=!str%%i:-=!"
    set /a "n=str%%i_2=0"
    for %%a in (!str%%i:.^= !) do (
        set /a n+=1
        set s=s%%a&set str%%i_!n!=0
        for %%b in (%var%) do if "!S:~%%b!" neq "" set/a str%%i_!n!+=%%b&set "S=!S:~%%b!"
        set /a len%%i+=str%%i_!n!
    )
        set str%%i=!str%%i:.=!
)
if !str1_2! gtr !str2_2! (set /a len2+=str1_2-str2_2) else set /a len1+=str2_2-str1_2
for /l %%i in (1 1 2) do (
    set str%%i=!str%%i!!l!
    for %%j in (!len%%i!) do set " str%%i=!str%%i:~,%%j!"
)
for /f "tokens=* delims=0" %%i in ("!str2!") do set s=%%i&set "str2=0%%i"
set len2=1
for %%j in (%var%) do if "!S:~%%j!" neq "" set/a len2+=%%j&set "S=!S:~%%j!"
set /a len=len2+1
if !len1! lss !len2! set len1=!len2!&set "str1=!l:~-%len2%,-%len1%!!str1!"
set /a len1+=u&set str1=0!str1!!l:~,%u%!
set str=!str1:~,%len2%!
set "i=0000000!str2!"&set /a Len_i=Len2+7
for /l %%i in (1 1 9) do (
    set "T=0"
    for /l %%j in (8 8 !Len_i!) do (
        set /a "T=1!i:~-%%j,8!*%%i+T"
        set Num%%i=!T:~-8!!Num%%i!&set /a "T=!T:~,-8!-%%i"
    )
    set Num%%i=!T!!Num%%i!
    set "Num%%i=0000000!Num%%i:~-%Len%!"
)
for /L %%a in (!len2! 1 !Len1!) do (
    set "str=!L!!str!!str1:~%%a,1!"
    set "str=!str:~-%Len%!"
    if "!str!" geq "!str2!" (
       set M=1&set i=0000000!str!
       for /l %%i in (2 1 9) do if "!i!" geq "!Num%%i!" set "M=%%i"
           set sun=!sun!!M!&set str=&set T=0
           for %%i in (!M!) do (
               for /l %%j in (8 8 !Len_i!) do (
                   set /a "T=3!i:~-%%j,8!-1!Num%%i:~-%%j,8!-!T:~,1!%%2"
                   set "str=!T:~1!!str!"
               )
           )
    ) else set sun=!sun!0
)
if defined u if "%u%" gtr "0" set sun=!sun:~,-%u%!.!sun:~-%u%!
endlocal&set %3=%d%%sun%
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terse

回复 7# strolley
不清楚你的工作环境 我这里 XP win7 测试通过

@echo off
setlocal enabledelayedexpansion
echo 11111111111
for /f "skip=1 tokens=1,2,3 delims= " %%i in ('wmic logicaldisk where "drivetype=3" get name^,size^,freespace') do (
    for /f %%a in ("%%i") do (
        set /a n+=1 
        echo 盘符 %%j 剩余:%%i 空间%%k
        set  AAA=%%i
        set  BBB=%%k
        rem 循环取值
        call:division !AAA! !BBB! quot 2 
        echo 盘符%%j  剩余为%%i  使用率为!quot!
    )
)
pause&exit
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