Public/Common/New-TempDirectory.ps1
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function New-TempDirectory { [CmdletBinding()] param () begin {} process { # It's EXTREMELY unlikely but just to be safe we'll make sure we get a directory name that doesn't already exist $Count = 0 try { $TempDirName = ( -join ((0x30..0x39) + ( 0x41..0x5A) + ( 0x61..0x7A) | Get-Random -Count 8 | ForEach-Object { [char]$_ })) $TempDirPath = Join-Path (Get-PSDrive Temp).Root $TempDirName while ((Test-Path $TempDirPath) -and $Count -lt 10) { Write-Verbose "Temp directory $TempDirPath already exists, choosing another name." $Count = $Count + 1 $TempDirName = ( -join ((0x30..0x39) + ( 0x41..0x5A) + ( 0x61..0x7A) | Get-Random -Count 8 | ForEach-Object { [char]$_ })) $TempDirPath = Join-Path (Get-PSDrive Temp).Root $TempDirName } if ($Count -ge 10) { throw "Unique name attempts exceeded." } $TempDirectory = New-Item $TempDirPath -ItemType Directory -Force } catch { throw "Failed to create temp directory.`n$($_.Exception.Message)" } } end { if ($TempDirectory) { Return $TempDirectory } } } |