@echo off
set path=C:\Program Files\Google\bin
cd /d %path%
pause>nul
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@echo off
set "mypath=C:\Program Files\Google\bin"
cd /d "%mypath%"
pause
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@echo off&SetLocal EnableDelayEdexpansion&cd /d "%~dp0"
set "mpath=C:\Program Files\Google"
for %%a in (aaa bbb ccc) do (
  echo "!mpath!\%%a"
)
pause
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@echo off

REM 开启变量延迟
SetLocal EnableDelayEdexpansion

REM 跳转到本脚本目录
cd /d "%~dp0"

REM 设置变量
set "mpath=C:\Program Files\Google"

REM 截取字符
for %%a in (aaa bbb ccc) do (

  REM 显示字符
  echo "!mpath!\%%a"

  REM 路径是否为目录
  pushd "!mpath!\%%a" >nul 2>nul
  if !ERRORLEVEL! EQU 0 (

        REM 进入目录操作
        pushd "!mpath!\%%a"

           REM 显示该目录下所有文件
           dir /a /b

        REM 跳出该目录，转至上个目录
        popd

  ) else (

     echo 不存在 "!mpath!\%%a" 目录

  )

)

REM 暂停
pause
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call :start "%mypath%"
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