Retrieve azure blob metadata with Powershell - azure

Question

How do I retrieve the metadata of a blob folder's contents (such as name, size etc) with powershell and export it as CSV?

Answer 1

Assume you have azure powershell az module installed(also you can change the code accordingly if you are using AzureRm module).
There are 2 methods:
Method 1: Use PSCustomObject. Sample code as below:
$accountname="xxx"
$accountkey="xxx"
$ctx = New-AzStorageContext -StorageAccountName $accountname -StorageAccountKey $accountkey
$myblobs = Get-AzStorageBlob -Container "aa1" -Context $ctx
$Output = $myblobs | ForEach-Object {
[PSCustomObject]#{
"Name" = $_.Name
"Length" =$_.Length
}
}
$Output | Export-Csv "d:\temp\test2.csv" -NoTypeInformation
Method 2: Use psobject. Sample code as below, save the generated file to location "d:\temp\test2.csv":
$accountname="xxx"
$accountkey="xxx"
$ctx = New-AzStorageContext -StorageAccountName $accountname -StorageAccountKey $accountkey
$myblobs = Get-AzStorageBlob -Container "aa1" -Context $ctx
$i=0
foreach($b in $myblobs)
{
$i++
if($i -eq 1)
{
$obj = New-Object psobject
$obj | add-member -membertype NoteProperty -name "Name" -value $b.name
#the length unit is byte
$obj | add-member -membertype NoteProperty -name "Length" -value $b.length
$obj | Export-Csv "d:\temp\test2.csv" -NoTypeInformation
}
else
{
$obj = New-Object psobject
$obj | add-member -membertype NoteProperty -name "Name" -value $b.name
$obj | add-member -membertype NoteProperty -name "Length" -value $b.length
$obj | Export-Csv "d:\temp\test2.csv" -NoTypeInformation -Append
}
}
Test result as below: