How do I set a user environment variable in PowerShell?
You can set a user environment variable in PowerShell using the following command: $env:MY_VARIABLE = 'my_value'
. This sets the variable for the current session.
Will this variable persist after I close PowerShell?
No, the variable will only last for the duration of the session. To make it permanent, you can use the [Environment]::SetEnvironmentVariable('MY_VARIABLE', 'my_value', 'User')
command.
What if I want to set a system-wide environment variable?
For a system-wide variable, you can use the same command but replace 'User' with 'Machine': [Environment]::SetEnvironmentVariable('MY_VARIABLE', 'my_value', 'Machine')
. You will need administrative privileges for this.
How can I check if my variable is set?
You can check if your variable is set by using Get-ChildItem Env:MY_VARIABLE
or simply $env:MY_VARIABLE
to see its value.
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