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Gilmour
Post Patron
Post Patron

How do I extract the file extension from files loaded into an attachment control in PowerApps?

Hi Community,

 

Looking for help with the question in the subject of this post. It's probably something pretty obvious that escapes a novice like me...

 

Thanks!

3 ACCEPTED SOLUTIONS

Accepted Solutions
WarrenBelz
Most Valuable Professional
Most Valuable Professional

Hi @Gilmour ,

This will get a Table with them in   EDIT: I did not see previous reply when I posted.

ForAll(
   AttachControlName.Attachments,
   Last(
      Split(
         Name,
         "."
      )
   )
)

 

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs Up.

Visit my blog Practical Power Apps

View solution in original post

Got it!

 

ForAll(
DataCardValue3.Attachments As Document,
FlowName.Run({contentBytes:Document.Value,name:First(colProjects).'Project ID'&" "&Text(Now(),"yymmddhhmmss")&"."&Last(Split(Document.Name,".")).Result},Label2)).

 

Thank you @cha_cha and @WarrenBelz  for your help!

View solution in original post

WarrenBelz
Most Valuable Professional
Most Valuable Professional

Hi @Gilmour ,

I cannot see your Flow, but two things in your code - you can an extra bracket and also need .Result to pick up the extension

ForAll(
   DataCardValue3.Attachments As Document, 
   FlowName.Run(
      {
         contentBytes: Document.Value,
         name: 
         First(colProjects).'Project ID' & " " & 
         Text(
            Now(),
            "yymmddhhmmss"
         ) & 
         "." & 
         Last(
            Split(
               Name,
               "."
            )
         ).Result
      },
      Label2
   )
)

View solution in original post

11 REPLIES 11
cha_cha
Super User
Super User

Hello @Gilmour 

 

If you can retrieve the filename of the uploaded file, then you can use the Last and Split functions. Examples:

Last(Split(File_Name,".")).Result

The above code will return the file extension of the uploaded file. For example, if the filename is Flower.png it will return png.

 

Also to get the Attachments from a control, you can use the ControlName.Attachments to retrieve the table of attachments.

cha_cha_0-1669075746605.png

 


 
Just in case my answer helped you solve your problem, please mark/accept this as a SOLUTION This helps community members if they experience a similar issue in the future.

 
bistek.space   @charv3n    @BisTekSpace 

Thank you @cha_cha ! Will this work also with multiple attachments?

WarrenBelz
Most Valuable Professional
Most Valuable Professional

Hi @Gilmour ,

This will get a Table with them in   EDIT: I did not see previous reply when I posted.

ForAll(
   AttachControlName.Attachments,
   Last(
      Split(
         Name,
         "."
      )
   )
)

 

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs Up.

Visit my blog Practical Power Apps

cha_cha
Super User
Super User

yep, that will work. May I know your end goal? Where this data will be stored or going to be used? don't want to suggest something way far from what you intend to do.


 
Just in case my answer helped you solve your problem, please mark/accept this as a SOLUTION This helps community members if they experience a similar issue in the future.

 
bistek.space   @charv3n    @BisTekSpace 
Gilmour
Post Patron
Post Patron

That worked! Thank you @WarrenBelz!

Hi @cha_cha and @WarrenBelz ,

 

To answer @cha_cha 's question (thank you for asking), I am using a workflow to add files to a SharePoint library, and I need to rename the attachments to obtain this format: 'ProjectNumber yymmddhhmmss.fileextension' (the flow right now returns the correct file name, except... without an extension. The formula I built is

 

ForAll(
DataCardValue3.Attachments As Document, FlowName.Run({contentBytes:Document.Value,name:First(colProjects).'Project ID'&" "&Text(Now(),"yymmddhhmmss")&"."&Last(Split(Name,".")))},Label2))

 

Where colProjects is a collection of projects from whence I extract the Project ID.

 

Written like above, the formula gives me an error. 

Got it!

 

ForAll(
DataCardValue3.Attachments As Document,
FlowName.Run({contentBytes:Document.Value,name:First(colProjects).'Project ID'&" "&Text(Now(),"yymmddhhmmss")&"."&Last(Split(Document.Name,".")).Result},Label2)).

 

Thank you @cha_cha and @WarrenBelz  for your help!

WarrenBelz
Most Valuable Professional
Most Valuable Professional

Hi @Gilmour ,

I cannot see your Flow, but two things in your code - you can an extra bracket and also need .Result to pick up the extension

ForAll(
   DataCardValue3.Attachments As Document, 
   FlowName.Run(
      {
         contentBytes: Document.Value,
         name: 
         First(colProjects).'Project ID' & " " & 
         Text(
            Now(),
            "yymmddhhmmss"
         ) & 
         "." & 
         Last(
            Split(
               Name,
               "."
            )
         ).Result
      },
      Label2
   )
)

Yup, figured that out and posted the revised formula (see my previous post). Thank you for pointing me in the right direction and providing the formula structure.

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