Windows命令行替代Linux/Unix下export命令的机器学习环境搭建咨询

Hey there! I get it—those Linux commands work smoothly, but when you're on Windows, you need to tweak things a bit. Let's break down the equivalent steps for both Command Prompt (CMD) and PowerShell, since those are the most common shells you'll use on Windows.

Command Prompt (CMD) #

Temporary Environment Variable (only active in current CMD window) #

• Set the ML_PATH variable:

  set ML_PATH=%USERPROFILE%\ml
  

• Create the directory (the -p flag in Linux means create parent directories if needed, and mkdir in CMD handles this automatically):

  mkdir %ML_PATH%
  

  You can also use md %ML_PATH% as a shorter alternative to mkdir.

Permanent Environment Variable (requires admin rights for system-wide setting) #

• For user-level (only applies to your account):

  setx ML_PATH "%USERPROFILE%\ml"
  

• For system-level (applies to all users, needs admin privileges):

  setx ML_PATH "%USERPROFILE%\ml" /M
  

Note: After setting permanently, you'll need to close and reopen your CMD window (or restart your PC) for the changes to take effect.

PowerShell #

Temporary Environment Variable (only active in current PowerShell session) #

• Set the ML_PATH variable:

  $env:ML_PATH = "$HOME/ml"
  

• Create the directory with the same "create parent directories if missing" behavior as mkdir -p:

  New-Item -ItemType Directory -Path $env:ML_PATH -Force
  

Permanent Environment Variable #

• For user-level (no admin needed):

  [Environment]::SetEnvironmentVariable("ML_PATH", "$HOME/ml", "User")
  

• For system-level (requires admin rights):

  [Environment]::SetEnvironmentVariable("ML_PATH", "$HOME/ml", "Machine")
  

Just like with CMD, you'll need to restart PowerShell or refresh your environment variables (you can run refreshenv if you have Chocolatey installed) to see the permanent changes.

内容的提问来源于stack exchange，提问作者Seth