aloha20200628

@echo off
setlocal enabledelayedexpansion
set "pwd=ad654bc321" &set "_pwd=!pwd!"
for %%n in (0,1,2,3,4,5,6,7,8,9) do set "_pwd=!_pwd:%%n=,!"
for %%s in (!_pwd!) do set "pwd=!pwd:%%s=!"
echo,!pwd!
endlocal&exit/b
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aloha20200628

订正5楼代码》改为纯P的“递归”结构应该就可以了...

@echo off
setlocal enabledelayedexpansion
set "pwd=b654bc321"
:[Loop]
set "_pwd=!pwd!"
set "pwd_=!pwd!"
for %%n in (0,1,2,3,4,5,6,7,8,9) do set "_pwd=!_pwd:%%n=,!"
echo,!_pwd!
for %%s in (!_pwd!) do set "pwd=!pwd:%%s=!"
if "!pwd!"=="!pwd_!" (goto[end]) else (goto[Loop])
:[end]
echo,!pwd!
endlocal&exit/b
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