tracks/cfml/exercises/flatten-array/README.md in trackler-2.2.1.104 vs tracks/cfml/exercises/flatten-array/README.md in trackler-2.2.1.105
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# Flatten Array
Take a nested list and return a single flattened list with all values except nil/null.
The challenge is to write a function that accepts an arbitrarily-deep nested list-like structure and returns a flattened structure without any nil/null values.
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For Example
input: [1,[2,3,null,4],[null],5]
output: [1,2,3,4,5]
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* * * *
To run the code in this exercise, you will only need to have [CommandBox CLI installed](https://ortus.gitbooks.io/commandbox-documentation/content/setup/installation.html). This binary runs CFML code from the command line.