Set-PsEnv.psm1
$localEnvFile = ".\.env" <# .Synopsis Exports environment variable from the .env file to the current process. .Description This function looks for .env file in the current directoty, if present it loads the environment variable mentioned in the file to the current process. .Example Set-PsEnv .Example #.env file format #To Assign value, use "=" operator <variable name>=<value> #To Prefix value to an existing env variable, use ":=" operator <variable name>:=<value> #To Suffix value to an existing env variable, use "=:" operator <variable name>=:<value> #To comment a line, use "#" at the start of the line #This is a comment, it will be skipped when parsing .Example # This is function is called by convention in PowerShell # Auto exports the env variable at every prompt change function prompt { Set-PsEnv } #> function Set-PsEnv { [CmdletBinding(SupportsShouldProcess = $true, ConfirmImpact = 'Low')] param() if($Global:PreviousDir -eq (Get-Location).Path){ Write-Verbose "Set-PsEnv:Skipping same dir" return } else { $Global:PreviousDir = (Get-Location).Path } #return if no env file if (!( Test-Path $localEnvFile)) { Write-Verbose "No .env file" return } #read the local env file $content = Get-Content $localEnvFile -ErrorAction Stop Write-Verbose "Parsed .env file" #load the content to environment foreach ($line in $content) { if([string]::IsNullOrWhiteSpace($line)){ Write-Verbose "Skipping empty line" continue } #ignore comments if($line.StartsWith("#")){ Write-Verbose "Skipping comment: $line" continue } #get the operator if($line -like "*:=*"){ Write-Verbose "Prefix" $kvp = $line -split ":=",2 $key = $kvp[0].Trim() $value = "{0};{1}" -f $kvp[1].Trim(),[System.Environment]::GetEnvironmentVariable($key) } elseif ($line -like "*=:*"){ Write-Verbose "Suffix" $kvp = $line -split "=:",2 $key = $kvp[0].Trim() $value = "{1};{0}" -f $kvp[1].Trim(),[System.Environment]::GetEnvironmentVariable($key) } else { Write-Verbose "Assign" $kvp = $line -split "=",2 $key = $kvp[0].Trim() $value = $kvp[1].Trim() } Write-Verbose "$key=$value" if ($PSCmdlet.ShouldProcess("environment variable $key", "set value $value")) { [Environment]::SetEnvironmentVariable($key, $value, "Process") | Out-Null } } } Export-ModuleMember -Function @('Set-PsEnv') |