Created
January 9, 2020 08:32
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Powershell script to create some random files with specified depth and file size
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| function New-TestData { | |
| [CmdletBinding()] | |
| param ( | |
| [Parameter(Mandatory)] | |
| [ValidateScript({Test-Path $_})] | |
| [String]$RootFolder, | |
| # How many subfolders should be created | |
| [Parameter(Mandatory=$false)] | |
| [int] | |
| $Level = 3, | |
| # Root Elements | |
| [Parameter(Mandatory=$false)] | |
| [String[]] | |
| $FolderNameArr = @("Dep1","Dep2","Dep3"), | |
| # File Count per folder | |
| [Parameter(Mandatory=$false)] | |
| [int] | |
| $FileCount = 32, | |
| # File Extension List | |
| [Parameter(Mandatory=$false)] | |
| [String[]] | |
| $FileExtensionArr = @("txt","csv"), | |
| # String Length | |
| [Parameter(Mandatory=$false)] | |
| [int] | |
| $StringLength = 16 | |
| ) | |
| begin { | |
| function Get-RandomString { | |
| param ( | |
| # String Length | |
| [Parameter(Mandatory=$false)] | |
| [int] | |
| $StringLength = 16 | |
| ) | |
| $arr = 97..122 | |
| $str = "" | |
| 1..$StringLength | ForEach-Object { | |
| $str += [char](Get-Random $arr) | |
| } | |
| return $str | |
| } | |
| } | |
| process { | |
| foreach ($folder in $FolderNameArr) { | |
| $newElement = Join-Path -Path $RootFolder -ChildPath $folder | |
| 1..$Level | ForEach-Object { | |
| $folderName = Get-RandomString -StringLength $StringLength | |
| $newElement = Join-Path -Path $newElement -ChildPath $folderName | |
| if ($_ -eq $Level) { | |
| 1..$FileCount | ForEach-Object { | |
| $newFileName = "$(Get-RandomString)" + "." + "$($FileExtensionArr | Get-Random)" | |
| $newFilePath = Join-Path $newElement -ChildPath $newFileName | |
| #$newFilePath = ($newFilePath -replace 'E:','\\?\E:\\') | |
| #Write-Host $newFilePath | |
| New-Item (split-path -Path $newFilePath -Parent) -ItemType Directory -Force | |
| fsutil file createNew $newFilePath 26214400 | |
| } | |
| } | |
| } | |
| } | |
| } | |
| end { | |
| } | |
| } | |
| #New-TestData -RootFolder E:\Temp\SemperOper2 -Level 3 -StringLength 256 | |
| New-TestData -RootFolder E:\CloudSync -Level 1 -StringLength 25 -FolderNameArr @("Dev","Prod") |
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