Simple outbox.json (exported from mastodon) Reader

$f = "/path/to/outbox.json"                        # outbox.jsonの絶対パス
$obj = ConvertFrom-Json (Get-Content $f -Encoding utf8)
$TootNumStart  = 0                                 # 表示したいTootの開始連番
$TootNumEnd    = $obj.orderedItems.Count - 1       # 表示したいTootの終了連番
$PublishedFrom = "1970/01/01"                      # 表示したいTootの開始日付
$PublishedTo   = "2099/12/31"                      # 表示したいTootの終了日付
foreach ($TootNum In $TootNumStart..$TootNumEnd) {
    $obj.orderedItems.Item($TootNum).object `
    | ? {[DateTime]($_.published) -GE $PublishedFrom `
    -And [DateTime]($_.published) -LT ([DateTime]$PublishedTo).AddDays(1)} | % {
        write ("Toot#     : {0}" -f $TootNum)
        write ("Url       : {0}" -f $_.url)
        write ("Published : {0:yyyy/MM/dd HH:mm:ss}" -f [DateTime]($_.published))
        [regex]::matches($_.content,"(?:<p>(.+?)</p>)").Captures | % {
            write "Content   : "
        }{
            $content = (($_.Groups[1].Value -replace "<a[^>]*>(.+?)</a>","`$1") `
            -replace "<span[^>]*>(.*?)</span>","`$1") -replace "<br />","`n"
            write "$content`n"
        }
    }
}