First stab at F#. Inspired by https://jamessdixon.wordpress.com/2016/12/25/age-and-sex-analysis-of-microsoft-usa-mvps/

get-robot-masters-sprites.fs

#r @"..\Packages\FSharp.Data\lib\net40\FSharp.Data.dll"

open System
open System.IO
open System.Web
open System.Net
open FSharp.Data

type Robot = JsonProvider<"http://megaman-robot-masters.herokuapp.com/">

let series = 2

let saveImage name avatar =
    use client = new WebClient()
    
    let path = sprintf @"C:\Playground\Images\%d\" series

    // create directory if it doesn't exist
    if not <| Directory.Exists(path) then  
        Directory.CreateDirectory(path) |> ignore // ignore says there's no result
    
    let fullPath = sprintf "%s%s.jpg" path name

    client.DownloadFile(Uri(avatar), fullPath)
    printfn "Saving %s to %s ..." avatar fullPath

Robot.GetSamples()
|> Seq.filter (fun robot -> robot.Series = series) // get specific series
|> Seq.sortBy (fun robot -> robot.Name) // sort them for funsies
|> Seq.iter(fun r -> saveImage r.Name r.Avatar)