How to convert a .txt file content to an array

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Posted on by Aurora

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Hi All,

Like the title says I am looking for help getting file content into an array format. When a file is added to a SharePoint folder, I want a flow to trigger and save the file data to Dataverse. Below is the content of the file:

Date,12022024
Builder ID, 0046
Part Number, 171-CT1-1502
Serial Number,50015856499
,
,
Supplied Blower Voltage at 50% Duty,11.85791
Blower Current at 50% Duty,7.141113
Supplied Blower Voltage at 100% Duty,11.75293
Blower Current at 100% Duty,22.87598
,
Supplied Actuator Voltage at 0%,0
Actuator Current at 0%,9.998779
Supplied Actuator Voltage at 50%,5.908203
Actuator Current at 50%,6.055908
Supplied Actuator Voltage at 100%,11.87012
Actuator Current at 100%,2.645264
,
Ambient Temperature,73.98968
Core Temperature,65.53927
,
Core Nitrogen Pressure,36.20079
,
Leak Test, PASSED
Results: ,Test Passed

^ the .csv file ^

I would like to break it down, so it has a format like:

Date: 12022024
Builder ID: 0046
Part Number: 171-CT1-1502
Serial Number: 50015856499

No matter what I try, I am unable to get it out of the string format and into the array format. Does anyone have any suggestions for how I Can achieve this? I have attached my document as a .xlsx file, as power automate community does not support .csv. The file can be converted to .csv by saving it again.

Any support is greatly appreciated!

50015856499.xlsx

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Answers (1)

Verified answer

ManishSolanki 15,085 Super User 2025 Season 1 on at

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Re: How to convert a .txt file content to an array

Hi @Aurora

Here is the sample flow.

In this example, I have stored the csv content in a compose action using expression after getting content of the file:

Expression needs to be added in the expression box as highlighted in the above screenshot:

base64ToString(body('Get_file_content')?['$content'])

Next, add "Select" action to split the content in the array:

Expression used in 'From' parameter:

split(outputs('Compose'),decodeUriComponent('%0D%0A'))

Click 'Switch Map to text mode' button:

Enter below expression in the Map textbox:

replace(item(),',',':')

Finally, add "Filter array" action remove the blank elements & elements containing only ':'. Pass the output of Select action in the "From" parameter:

Click 'Edit in advanced mode' button on the bottom and enter below query:

@and(not(equals(item(), ':')),not(equals(item(), '')))

The output of filter array action will give the desired array.

Output:

If this helps & solves your problem, please remember to give a 👍 and accept my solution as it will help others in the future.
Aurora 364 on at

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Re: How to convert a .txt file content to an array

Edit: I put .txt file in the title, but this is for a .csv file. All my .csv files start out as .txt files, and then get converted .csv. If the flow could work for either file format, that would meet my needs.