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madmvx
Frequent Visitor

Remove item from a Array

Hello, i need some help i need to dynamically delete items from some arrays

My arrays are like this:

 

[
[1,2,3],[1,2,332],[1,22,113],[1,223,323]
]

And 

First: I need to calculate the quantity of items so, exist a function like: quantity(myArray)

Second: I need to delete some items of my array,  example: like the 3 first items

[
[1,223,323]
]

And get something like this

 

How can i do this?

 

1 ACCEPTED SOLUTION

Accepted Solutions
v-LilyW-msft
Community Support
Community Support

Hi @madmvx 

Thank you for posting.

You can use the ‘length’ and ‘skip’ function to get the array you want.

Please refer to the screenshot as below:

v-LilyW-msft_0-1621479965756.png

You can use ‘Length’ function to return the number of items in the array.

Expression:length(variables('myArray'))

v-LilyW-msft_1-1621479965760.png

Than you can use ‘skip’ function to remove items from the front of a collection, and return all the other items.

Expression:skip(variables('myArray'),add(outputs('Compose_2'),-1))

v-LilyW-msft_2-1621479965762.png

After the flow runs,you will get the array as below:

v-LilyW-msft_3-1621479965764.png

 

For more info about functions you can refer to this document.

https://docs.microsoft.com/en-us/azure/logic-apps/workflow-definition-language-functions-reference

 

Hope the content above may help you.

Best Regards

Lily

View solution in original post

2 REPLIES 2
v-LilyW-msft
Community Support
Community Support

Hi @madmvx 

Thank you for posting.

You can use the ‘length’ and ‘skip’ function to get the array you want.

Please refer to the screenshot as below:

v-LilyW-msft_0-1621479965756.png

You can use ‘Length’ function to return the number of items in the array.

Expression:length(variables('myArray'))

v-LilyW-msft_1-1621479965760.png

Than you can use ‘skip’ function to remove items from the front of a collection, and return all the other items.

Expression:skip(variables('myArray'),add(outputs('Compose_2'),-1))

v-LilyW-msft_2-1621479965762.png

After the flow runs,you will get the array as below:

v-LilyW-msft_3-1621479965764.png

 

For more info about functions you can refer to this document.

https://docs.microsoft.com/en-us/azure/logic-apps/workflow-definition-language-functions-reference

 

Hope the content above may help you.

Best Regards

Lily

Thanks, this works very well

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