Get-AzStorageBlobContent.ps1

#Requires -Version 5.0
#Requires -Modules Az.Storage

<#
    .SYNOPSIS
        Downloads a storage blob, existing files are overwritten
    
    .DESCRIPTION  
        
    .NOTES
        This PowerShell script was developed and optimized for ScriptRunner. The use of the scripts requires ScriptRunner. 
        The customer or user is authorized to copy the script from the repository and use them in ScriptRunner. 
        The terms of use for ScriptRunner do not apply to this script. In particular, ScriptRunner Software GmbH assumes no liability for the function, 
        the use and the consequences of the use of this freely available script.
        PowerShell is a product of Microsoft Corporation. ScriptRunner is a product of ScriptRunner Software GmbH.
        © ScriptRunner Software GmbH

    .COMPONENT
        Requires Module Az.Storage

    .LINK
        https://github.com/scriptrunner/ActionPacks/blob/master/Azure/Storage   

    .Parameter StorageAccountName 
        [sr-en] Specifies the name of the Storage account to get containers
        [sr-de] Name des Storage Accounts
        
    .Parameter ResourceGroupName
        [sr-en] Specifies the name of the resource group that contains the Storage containers to get
        [sr-de] Name der resource group die die Storage Container enthält

    .Parameter Container
        [sr-en] Specifies the name of the container
        [sr-de] Name des Containers

    .Parameter BlobNames
        [sr-en] Specifies the names of the blobs to be downloaded
        [sr-de] Namen der Dateien die heruntergeladen werden

    .Parameter CheckMd5 
        [sr-en] Specifies whether to check the Md5 sum for the downloaded file
        [sr-de] Überprüfen der Md5-Summe für die heruntergeladene Datei

    .Parameter ConcurrentTaskCount 
        [sr-en] Specifies the maximum concurrent network calls
        [sr-de] Maximale gleichzeitige Netzwerk calls

    .Parameter Destination 
        [sr-en] Specifies the location to store the downloaded file
        [sr-de] Ort an dem die Dateien abgelegt werden

    .Parameter Properties
        [sr-en] List of properties to expand. Use * for all properties
        [sr-de] Liste der zu anzuzeigenden Eigenschaften. Verwenden Sie * für alle Eigenschaften
#>

param( 
    [Parameter(Mandatory = $true)]
    [string]$StorageAccountName,
    [Parameter(Mandatory = $true)]
    [string]$ResourceGroupName,
    [Parameter(Mandatory = $true)]
    [string]$Container,
    [Parameter(Mandatory = $true)]
    [string[]]$BlobNames,
    [Parameter(Mandatory = $true)]
    [string]$Destination,
    [switch]$CheckMd5,
    [int]$ConcurrentTaskCount = 10,
    [ValidateSet('*','Name','IsDeleted','Length','LastModified','SnapshotTime','BlobType')]
    [string[]]$Properties = @('Name','IsDeleted','Length','LastModified','BlobType')
)

Import-Module Az.Storage

try{
    if($Properties -contains '*'){
        $Properties = @('*')
    }
    $azAccount = $null
    GetAzureStorageAccount -AccountName $StorageAccountName -ResourceGroupName $ResourceGroupName -StorageAccount ([ref]$azAccount)
    [hashtable]$cmdArgs = @{'ErrorAction' = 'Stop'
                            'Context' = $azAccount.Context
                            'Container' = $Container
                            'ConcurrentTaskCount' = $ConcurrentTaskCount
                            'CheckMd5' = $CheckMd5
                            'Destination' = $Destination
                            'Blob' = $null
                            'Force' = $null
                            'Confirm' = $false
    }
    $ret = @()
    foreach($name in $BlobNames){
        $cmdArgs['Blob'] = $name
        $ret += Get-AzStorageBlobContent @cmdArgs | Select-Object $Properties
    }

    if($SRXEnv) {
        $SRXEnv.ResultMessage = $ret 
    }
    else{
        Write-Output $ret
    }
}
catch{
    throw
}
finally{
}