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Convert Directory Tree to Json with PowerShell

July 28, 2015

Today I wrote a simple script that converts a directory tree query with get-childitem into a json formatted data tree.

function Add-Tabstops{
    param($Count)
    $tabs = ""
    for($i=0; $i -lt $Count; $i++){$tabs += "  "}
    return $tabs
}

function Output-JsonChildren{
    param($Path, $Level = 1)
    return $(Get-ChildItem -Path $Path | Where-Object{$_} | ForEach-Object{
        (Add-Tabstops $Level) +
        "{`n" + 
        (Add-Tabstops ($Level+1)) +
        "`"name`"`: `"$($_.Name)`"," + 
        "`n" +
        (Add-Tabstops ($Level+1)) + 
        "`"children`": ["+ 
        $(if($_.psiscontainer){"`n" + (Output-JsonChildren -Path $_.FullName -Level ($Level+2))+ "`n" + (Add-Tabstops ($Level+1))}) +
        "]`n" + 
        (Add-Tabstops ($Level)) +
        "}"
    }) -join ",`n"
}

$JSON = Output-JsonChildren -Path "C:\Documents"

"["
$JSON
"]"

Find the latest version of this script here: https://gist.github.com/7c9e9ea0acd77c965b79

The output looks something like this:

[
  {
    "name": "Administration",
    "children": [
      {
        "name": "Organisation",
        "children": [
          {
            "name": "Available Abrevations.md",
            "children": []
          },
          {
            "name": "Kürzel Gemeinde und Organisationen.md",
            "children": []
          }
        ]
      },

Categories: Scripting
Tags: powershell
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