# list-newick-leaf-labels

## Description

<mark style="color:purple;">`list-newick-leaf-labels`</mark> *adaptor gets the leaf labels from a Newick tree.*

Creates a list of the leaf labels from a newick tree. The newick-data can either be pasted directly as an input, or a file can be uploaded. To upload a newick file, use the [<mark style="color:purple;">`import-text-from-file`</mark> ](https://cgps.gitbook.io/data-flo/reference-guide/import-text-from-file)adaptor as the newick input.

## Inputs

**`newick`**\
Type: `text`\
Required: Yes\
A tree in Newick format.

## Outputs

**`labels`**\
Type: `list`\
A list of leaf labels.

## Examples

### Example 1: Default behaviour.

#### Inputs:

`newick:`

```
(Bovine:0.69395,(Gibbon:0.0,(Orangutan:0.0,(Gorilla:0.0,(Chimp:0.0,Human:0.0)123:0.0)test:0.06124):0.0):0.54939,Mouse:1.21460);
```

#### Outputs:

`labels`:

1. Bovine
2. Mouse
3. Gibbon
4. Orangutan
5. Gorilla
6. Chimp
7. Human

-> Created a list of the leaf labels from the Newick tree.

## Use Cases

* Generating a list of samples to use for querying a sample metadata database or file.
* Use to creating a dictionary that contains old and new leaf labels to use in conjunction with the [<mark style="color:purple;">`replace-newick-leaf-labels`</mark>](https://cgps.gitbook.io/data-flo/reference-guide/rename-newick-leaf-labels)adaptor.&#x20;