Microsoft Azure How to create sub directory in a blob container

Question

How to create a sub directory in a blob container for example  in my blob container http   veda blob core windows net document  If I store some files it will be  http   veda blob core windows net document 1 txt http   veda blob core windows net document 2 txt  Now  how to create a sub directory  http   veda blob core windows net document folder   So that I can store files  http   veda blob core windows net document folder 1 txt

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Here s how i do it in CoffeeScript on Node JS   blobService createBlockBlobFromText  containerName    path                    err  result - gt      if err         console log  failed to create path   err     else         console log  created path   path  result

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There is a comment by  afr0 asking how to filter on folders    There is two ways using the GetDirectoryReference or looping through a containers blobs and checking the type  The code below is in C   CloudBlobContainer container   blobClient GetContainerReference  photos       Method 1  grab a folder reference directly from the container CloudBlobDirectory folder   container GetDirectoryReference  directoryName       Method 2  Loop over container and grab folders  foreach  IListBlobItem item in container ListBlobs null  false         if  item GetType      typeof CloudBlobDirectory                    we know this is a sub directory now         CloudBlobDirectory subFolder    CloudBlobDirectory item           Console WriteLine  Directory   0    subFolder Uri             read this for more in depth coverage  http   www codeproject com Articles 297052 Azure-Storage-Blobs-Service-Working-with-Directori

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I needed to do this from Jenkins pipeline  so  needed to upload files to specific folder name but not to the root container folder  I use --destination-path that can be folder or folder1 folder2 az storage blob upload-batch --account-name  AZURE STORAGE ACCOUNT --destination   CONTAINER NAME  --destination-path   VERSION FOLDER  --source   BUILD FOLDER  --account-key  ACCESS KEY  hope this help to someone

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If you use Microsoft Azure Storage Explorer  there is a  New Folder  button that allows you to create a folder in a container  This is actually a virtual folder

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You do not need to create sub directory  Just create blob container and use file name like the variable filename as below code   string filename    document tech user-guide pdf   CloudStorageAccount cloudStorageAccount   CloudStorageAccount Parse ConnectionString   CloudBlockBlob blob   cloudBlobContainer GetBlockBlobReference filename   blob StreamWriteSizeInBytes   20   1024  blob UploadFromStream fileStream      fileStream is System IO Stream

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Got similar issue while trying Azure Sample first-serverless-app  Here is the info of how i resolved by removing   at front of  web   Note    web container was created automatically while enable static website   Never seen  root container anywhere     getting Invalid URI error while following tutorial as-is az storage blob upload-batch -s   -d   web --account-name firststgaccount01    Remove      destination param az storage blob upload-batch -s   -d  web --account-name firststgaccount01

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There is actually only a single layer of containers  You can virtually create a  file-system  like layered storage  but in reality everything will be in 1 layer  the container in which it is   For creating a virtual  file-system  like storage  you can have blob names that contain a     so that you can do whatever you like with the way you store  Also  the great thing is that you can search for a blob at a virtual level  by giving a partial string  up to a        These 2 things  adding a     to a path and a partial string for search  together create a virtual  file-system  storage

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As  Egon mentioned above  there is no real folder management in BLOB storage   You can achieve some features of a file system using     in the file name  but this has many limitations  for example  what happen if you need to rename a  folder      As a general rule  I would keep my files as flat as possible in a container  and have my application manage whatever structure I want to expose to the end users  for example manage a nested folder structure in my database  have a record for each file  referencing the BLOB using container-name and file-name

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In Azure Portal we have below option while uploading file

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Wanted to add the UI portal Way to do as well  In case you want to create the folder structure  you would have to do it with the complete path for each file   You need to Click on Upload Blob  Expand the Advanced and put it the path saying  quot Upload to Folder quot  So Lets say you have a folder assets you want to upload and the content of the folder look like below  And if you have a folder under js folder with name main js  you need to type in the path  quot assets js quot  in upload to folder  Now This has to be done for each file  In case you have a lot of file  its recommended you do it programmatically

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To add on to what Egon said  simply create your blob called  folder 1 txt   and it will work   No need to create a directory

[c#] Microsoft Azure: How to create sub directory in a blob container

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