[数值计算] 批处理如何在数字前面添加0/补充0/加零使得数字的长度达到指定位数

@echo off&setlocal enabledelayedexpansion
set "数值=1234567890"
set "取值位数=8000"
rem:以下到pause前如果存在复式内用!替换%
set "Character=%数值%"&&rem:此行为必须行
set "Character_contrast=%取值位数%"&&rem:此行为必须行
call :强制补0 &&rem:调用其中一种
call :检测补0 &&rem:调用其中一种
set "数值=!Character!"&&rem:此行为必须行
echo,!数值!&&rem:此行为必须行
pause
goto:eof
:检测补0
rem:数值取值N位,不足时高位用 0 补足,超出时则去除高位
set "Character_Numbers_span=50"
set "Character_Numbers_Small="&&for /l %%n in (0,!Character_Numbers_span!,8192)do if /i not "!Character:~%%~n,1!"=="" (set "Character_Numbers_Small=%%~n")
set/a "Character_Numbers_large=%Character_Numbers_Small%+%Character_Numbers_span%+1"
set "Character_Numbers="&&for /l %%n in (!Character_Numbers_Small!,1,!Character_Numbers_large!)do if /i not "!Character:~%%~n,1!"=="" (set/a "Character_Numbers=%%~n+1")
if %Character_Numbers% equ %Character_contrast% (rem:
)else if %Character_Numbers% GTR %Character_contrast% (rem:
set "Character=!Character:~-%Character_contrast%!"
)else if %Character_Numbers% LSS %Character_contrast% (rem:
for /l %%n in (%Character_Numbers%,1,%Character_contrast%)do set "Character=0!Character!"
set "Character=!Character:~-%Character_contrast%!"
)
goto:eof
:强制补0
for /l %%n in (1,1,%Character_contrast%)do set "Character=0!Character!"
set "Character=!Character:~-%Character_contrast%!"
goto:eof
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for /l %%a in (10001 1 10060) do @set n=%%a&call echo;%%n:~-2%%
pause
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@echo off
set i=0
:loop
set /a i=%i%+1
if %i% lss 10 set i=0%i%
echo;%i%
set /a i=1%i%-100
if %i% lss 60 goto loop
pause
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powershell -c "1..60|%%{'{0:d2}' -f $_}"
pause
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