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I know its wrong, I just don't know why.

I have a library of images. I am trying to create a flow that will place the same content that auto-populates into the 'Name' column, when an image is uploaded, into the default 'Title' column as well.

I want to create a calculated column based on extracted components of the image name in 'Name', however, by SP default I cannot see the column 'Name' as an option when creating a calculated column; however, I can see the column 'Title'; however, however no data auto-populates into 'Title'; hence the need for the flow. I hope that's clear enough. :-)

note: The 'UploadedCerts&Quals' is not a "List" but a Document Library, if that matters.

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1 Answer 1

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The following updates document [Title] with the file name without extension. If you need to keep the extension, just update [Title] with varFileName, which has been initialized with FileNameWithExtension from the Dynamic content.

To remove file extension:

substring(variables('varFileName'), 0, indexOf(variables('varFileName'),'.'))

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Updating this post to populate [Title] from File Name for existing records

Steps:

  1. Get all properties of existing files with null or empty [Title]
  2. Add a Compose action to verify the number of files with empty [Title]. This is not required though
  3. Update each file's [Title] property by using a [Apply to each] action by adding within it a [Set variable] and a [Update item] actions as shown in the screenshots below.

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Expression 1

(type length() first in the expression window and then select [value] list of items from the Dynamic content)

 length(outputs('Get_files_(properties_only)')?['body/value'])

Detail 1

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Expression 2, 3, & 4

2) FilenameWithExtension - from Dynamic content
items('Apply_to_each')?['{FilenameWithExtension}']

3) [ID] - from Dynamic content

items('Apply_to_each')?['ID']

4) Extract [Title] from varFileName. Expression window 

substring(variables('varFileName'), 0, indexOf(variables('varFileName'),'.'))
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  • I made the changes and got the following error: Unable to process template language expressions in action 'Update_item' inputs at line '1' and column '2932': 'The template language function 'substring' parameter is out of range: 'start index' must be non-negative integer and should be less than the length of the string.
    – Curtis
    Dec 4, 2020 at 21:09
  • What is in the [Name] of the file. Do you have a dot (.) in your file name? Instead of using the expression substring(..), first use the variable varFileName to see if the [Title] gets populated. When you look into the history of the flow execution, you can see the values of varFileName, can you post that for me?
    – Matiur Rahman
    Dec 4, 2020 at 21:14
  • My apology; yes, it working. If I add a file the 'Name' now also populates into 'Title'. This only works for 'newly created or changed files. Is there a way to initiate this action on the files that I've already uploaded (2,700 of them)? Or, do I have to reload each file in order to get the Name into the Title with the flow?
    – Curtis
    Dec 5, 2020 at 14:42
  • You don't have to do that. You create a separate flow and run it manually once to update [Title] for each file. Basically, the same thing, but: 1) need to retrieve all files properties 2) loop through each one and then update it. If you need help, I can update my post for that
    – Matiur Rahman
    Dec 5, 2020 at 15:21
  • Oh yes, please!!!!! Without your help I'll be here all day trying to figure out what comma or parenthesis goes where. If you could provide ANY assistance in this regard I would be grateful.
    – Curtis
    Dec 5, 2020 at 15:25

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