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song_coach
Helper I
Helper I

Loop last Index Problem

Hello.

I set it to increase by 1 in loop 1-3 and always see that the increase value is added to the last value once the loop is over.
Is this normal?

In the above example, shouldn't the last value be loop index 3?
But it goes out of loop and becomes loop index 4.

I've tested it several times, but I think it's a bug..
No one questions it.

1 ACCEPTED SOLUTION

Accepted Solutions
Agnius
Most Valuable Professional
Most Valuable Professional

If you have a paid subscription for Power Automate, you can report a bug via the cloud portal by navigating to https://make.powerautomate.com/support

 

Alternatively, you can do it via the Feedback hub by clicking Help > Feedback in your PAD console:

Agnius_0-1696491848368.png

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If I have answered your question, please mark it as the preferred solution. If you like my response, please give it a Thumbs Up.

I also provide paid consultancy and development services using Power Automate. If you're interested, DM me and we can discuss it.

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If I have answered your question, please mark it as the preferred solution. If you like my response, please give it a Thumbs Up.
Regards, Agnius Bartninkas

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11 REPLIES 11
Nived_Nambiar
Super User
Super User

Hi @song_coach 

 

could you show how you designed the loop in your case ?

 

Thanks & Regards,

Nived N 🚀

LinkedIn: Nived N's LinkedIn
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🔍 Found my answer helpful? Please consider marking it as the solution!
Your appreciation keeps me motivated. Thank you! 🙌

@Nived_Nambiar 

song_coach_1-1695817491960.png

song_coach_2-1695817594977.png

it's increased by 2 in the loop range of 0 to 4
The loopindex values ( 0,2,4) 

 

I think it should end with a value of 4 in the loop range
However, the loop is terminated and the loop index value is added once. (loopindex 6)

 

I don't understand if the loopindex value is added even though the loop is terminated.

Agnius
Most Valuable Professional
Most Valuable Professional

This is a common thing in PAD. It does happen like this, because the starting Loop action increments the index, and not the End action. What this means is that on the last iteration, the starting action does run, but the actions inside the loop are not.

So, you would not get an extra iteration of the loop, but you will have a loop index larger than the end range after the loop has ended.

 

If you care about the index after the loop ends, use a separate variable and do Increase variable at the end of your loop.

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If I have answered your question, please mark it as the preferred solution. If you like my response, please give it a Thumbs Up.

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If I have answered your question, please mark it as the preferred solution. If you like my response, please give it a Thumbs Up.
Regards, Agnius Bartninkas

Hi @Agnius 

 

Thank you for sharing this information 🙂

 

was not aware of that 

 

 

song_coach
Helper I
Helper I

@Agnius 

How is this such a common occurrence? I haven't seen this handled in any program.

It's problematic that, upon completion, instead of exiting the loop, it increases the index by going through one more iteration.

I don't comprehend it programmatically, and I question why PAD is maintaining this method.

Moreover, when dealing with data processing, I often have to use many loop indices, and this fundamental issue leads to additional coding.

I believe that this issue should be addressed and corrected.

Agnius
Most Valuable Professional
Most Valuable Professional

If you believe it should be fixed, feel free to report it as a bug to MS Support. I am not employed by MS, so I cannot do anything about it. I've just shared what I know of the issue and explained why this happens and how to work around it. That's about as much as I can do here.

 

If you do report it to MS and IF (which is a much bigger if) they agree to fix it, it will still take at least a couple of months before a fix like that gets released to general availability. So, if you actually need to use this in a project any time sooner, I suggest you use the workaround I proposed until then.

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If I have answered your question, please mark it as the preferred solution. If you like my response, please give it a Thumbs Up.

I also provide paid consultancy and development services using Power Automate. If you're interested, DM me and we can discuss it.

-------------------------------------------------------------------------------------------------------------------------
If I have answered your question, please mark it as the preferred solution. If you like my response, please give it a Thumbs Up.
Regards, Agnius Bartninkas
song_coach
Helper I
Helper I

@Agnius 

I don't expect a quick fix either.

It seemed like a basic issue that should have been fixed earlier, but I wrote this in case someone encounters a similar problem since there were no questions about it in the community.

If it's not too much trouble, do you happen to know how to report bugs to Microsoft support? Can anyone report a bug?

Thank you for always providing answers.

Best Ragards.

It's like a Loop While command:

i = 0

Loop While i <= 4 (you don't see this)

    'code

    i = i + 2 (you don't see this)

End Loop

 

I would just declare the %LoopInterval% as a variable and after End Loop and put
%LoopIndex% = %LoopIndex - LoopInterval%
After End (Loop)

 

This will bring it back down.  I understand it's odd behavior but this will give you a fix today, rather than waiting for MS.  Good luck!

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Agnius
Most Valuable Professional
Most Valuable Professional

If you have a paid subscription for Power Automate, you can report a bug via the cloud portal by navigating to https://make.powerautomate.com/support

 

Alternatively, you can do it via the Feedback hub by clicking Help > Feedback in your PAD console:

Agnius_0-1696491848368.png

-------------------------------------------------------------------------
If I have answered your question, please mark it as the preferred solution. If you like my response, please give it a Thumbs Up.

I also provide paid consultancy and development services using Power Automate. If you're interested, DM me and we can discuss it.

-------------------------------------------------------------------------------------------------------------------------
If I have answered your question, please mark it as the preferred solution. If you like my response, please give it a Thumbs Up.
Regards, Agnius Bartninkas

@MichaelAnnis 

Hello.

Thank you for your response.

In case the loop index rule returns to normal later, I have added an if statement to break when the loop index value is the last one.

I'm just a bit disappointed that we have to add this extra coding for such a basic issue every time.

Best Regards.

Pavel_NaNoi
Impactful Individual
Impactful Individual

Yeah its cause PAD does not take an increment step at the beginning like most programming languages do before running, thus it does 0,2,4 for example as you've stated. To avoid this you can do final Index-increment in your loop though, that's equivalent to 2,4 but its just 0,2 instead (will produce the same result though, unless you're using that loopindex variable). This honestly weird way of doing things makes a lot of variable manipulation more complex than it needs to be (imagine using excel actions with loopindex like that, you'd need a +2 everywhere, ughh), so yeah I'm with you on this one, it should be changed.

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