Created
June 21, 2018 18:48
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Sort subfolders by folder size in F#
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open System.IO | |
type FolderStatistic = { Name : string | |
Size : int64 } | |
let calculateFolderSize (folder : string) = | |
Directory.GetFiles folder | |
|> List.ofSeq | |
|> List.sumBy (fun f -> FileInfo(f).Length) | |
let subfolders : DirectoryInfo array = | |
let folder = new DirectoryInfo(@"C:\\tmp") | |
folder.GetDirectories() | |
subfolders | |
|> List.ofArray | |
|> List.map (fun x -> { Name = x.Name; Size = calculateFolderSize x.FullName }) | |
|> List.sortByDescending(fun x -> x.Size) |
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