Recursively removes Azure Storage File Share files using the Az.Storage module

Remove-AzStorageFileShareFiles.ps1

# Log in first using Connect-AzAccount

param(
    [string]$DirectoryPath,
    [string]$StorageAccountName,
    [string]$FileShareName,
    [string]$ResourceGroupName,
    [int]$DaysOld
)

Set-StrictMode -Version Latest

$ErrorActionPreference = "Stop"
$ProgressPreference = "SilentlyContinue"

# Get the current date
$CurrentDate = Get-Date

# Get the date to delete files older than
$DateToDelete = $CurrentDate.AddDays(-$DaysOld)

$StorageAccount = Get-AzStorageAccount -Name $StorageAccountName -ResourceGroupName $ResourceGroupName
# Create a storage context
$StorageContext = $StorageAccount.Context

# Define a function to recursively delete files in a directory
function Remove-FilesRecursively {
    # Get the directory path from the first argument
    $DirectoryPath = $Args[0]
    Write-Output "Entering $DirectoryPath"

    # Get all the files and directories in the directory
    Get-AzStorageFile -ShareName $FileShareName -Path $DirectoryPath -Context $StorageContext | Get-AzStorageFile `
    | ForEach-Object {
        $Item = $_
        $Item.Name
        # If the item is a file, check if it is older than the date to delete and remove it if true
        if ($Item.GetType().Name -eq "AzureStorageFile" -and $Item.LastModified -lt $DateToDelete) {
            Write-Output "Removing $($Item.Name)"
            $Item | Remove-AzStorageFile
        }
        # If the item is a directory, call this function recursively with its path as an argument
        elseif ($Item.GetType().Name -eq "AzureStorageFileDirectory") {
            Write-Output "Going into /$($DirectoryPath)/$($Item.Name)"
            Remove-FilesRecursively "$($DirectoryPath)/$($Item.Name)" @PSBoundParameters
        }
    }

    # Check if the directory is empty after deleting the files and directories inside it
    $folder = Get-AzStorageFile -ShareName $FileShareName -Path $DirectoryPath -Context $StorageContext
    $Contents = $folder | Get-AzStorageFile
    if ($null -eq $Contents) {
        Write-output "Removing empty folder $DirectoryPath"
        $folder | Remove-AzStorageDirectory
    }
}

# Call the function with an empty string as an argument to start from the root directory of the file share
Remove-FilesRecursively $DirectoryPath @PSBoundParameters