bat文件注意事项

bat文件注意事项：

• set value中等号前后不能有空格

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  :INFO
  echo ******************Setup for Project******************
  echo [1] Clone config files:
  echo Run CMD: conan config install ssh://%USERNAME%@eps-sw-gerrit-ssh.volvocars.net:29418/conan/cfg --type git
  echo [2] Install dependency and Generte project script:
  echo Run CMD: conan install .. --update --build=missing
  echo [3] Build Project and Generte C Codes:
  echo Run CMD: conan build ..
  echo [INFO]Current Path: %cd% 
  set /p sel=Please input number:
  

• if else 后括号

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  if %sel% == 1 (
  REM echo enter %sel%
  goto CLONE_CONFIG
  ) else if %sel% == 2 (
  REM echo enter %sel%
  goto CONAN_INSTALL
  ) else if %sel% == 3 (
  REM echo enter %sel%
  goto CONAN_BUILD
  ) else (
  echo [ERROR]Not Supported!
  goto INFO
  )
  

• 判断路径存在

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  set "build_folder=%cd%\build"
  if not exist %build_folder%\%NUL% (
  mkdir %build_folder%
  ) else (
  echo "exist."
  )
  

• 变量延迟

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  setlocal enabledelayedexpansion 
  

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