>>569 無理矢理にバッチで書いてみた

@echo off
set "a=%cmdcmdline:"=""%"
setlocal enabledelayedexpansion
set /a b=0,n=0
set "s=" & set "d=""
:x1
if not "!a:~%b%,1!"=="/" set /a b+=1 & goto x1
:x2
if "!a:~%b%,1!"=="!d!" set /a n+=1
if !n! equ 6 set /a b+=2 & goto x3
set /a b+=1 & goto x2
:x3
set "a=!a:~%b%,-2! " & set /a b=0
:x4
if not defined a goto x8
if "!a:~%b%,1!"=="!d!" set /a n=0 & goto x6

下に続く