Replica set starter for Windows 7 (PowerShell)

startMongoRs.ps1

# Mongo replica set starter for use in Windows 7 (Powershell 3.x)

Write-Host "Mongo Replica Set Starter"
Write-Host "WARNING: Will delete rs1/2/3 directories and 1/2/3.log files in the current directory."

$replSet = "m101"
$curDir = (Get-Location).Path + "\"

function Start-MongoRS ($logPath, $dataDir, $portNo) {
    $lp = $curDir + $logPath
    $dd = $curDir + $dataDir
    
    Write-Host "Starting up mongo replica on $portNo (and clearing logfile beforehand)"
    
    if (Test-Path $lp) {
        Remove-Item $lp
    }

    $x = Start-Job { mongod --replSet $using:replSet --logpath $using:lp --dbpath $using:dd --port $using:portNo --smallfiles }
}

function Create-MongoDataDir ($dirName) {
    $dir = $curDir + $dirName
    if (Test-Path $dir) {
        $x = rmdir -Force -Recurse $dir
    }
    $x = mkdir $dir
}

@("rs1", "rs2", "rs3") | % { Create-MongoDataDir $_ }

Start-MongoRS "1.log" "rs1" 27017
Start-MongoRS "2.log" "rs2" 27018
Start-MongoRS "3.log" "rs3" 27019

Write-Host "All started - use Get-Process to find 'mongod' instances running, you should see 3."