For PowerShell 7.

README.md

https://github.com/takeokunn/awesome-yasunori のREAME.mdをパースして出力。

Parameters

-All

パース結果のすべてを出力する。

$ ./YasunoriSay.ps1 -All

title        : YST
date         : 2024-09-28T00:00:00.0000000+09:00
contents     : YST: yasunori study time (yasunoriがJST 22:00 ~ 24:00 にLeetCodeに取り組む時間)
cite         : vim-jp #times-yasunori
by           : ryoppippi
inspired     :
inspired_url :
memo         : - memo
                 - 2024-09-28 Sat 時点、yasunoriはLeetCodeをやらなければならない


...

JSONに変換可能

$ ./YasunoriSay.ps1 -All | ConvertTo-Json
[
  {
    "title": "YST",
    "date": "2024-09-28T00:00:00.0000000+09:00",
    "contents": "YST: yasunori study time (yasunoriがJST 22:00 ~ 24:00 にLeetCodeに取り組む時間)",
    "cite": "vim-jp #times-yasunori",
    "by": "ryoppippi",
    "inspired": null,
    "inspired_url": null,
    "memo": "- memo\n  - 2024-09-28 Sat 時点、yasunoriはLeetCodeをやらなければならない\n"
  },
  {
    ...
  }
]

-Cow

ランダムに一つ選んだ結果を cowsay コマンドに渡す

$ ./YasunoriSay.ps1 -Cow
 _______________________________________________________________________
/ キラ・yaunori                                                         \
|                                                                       |
| キラ・yaunori「無茶苦茶だ！こんなOSでこれだけの機体を動かそうなんて！ |
| 」 マリュー「まだ，終わってないのよ」                                 |
| キラ・yasuori「そんなこともあろうかとここに，NixOSのインストーラが    |
| 入ったUSBメモリーが」                                                 |
|                                                                       |
\ ―― by rkarsnk                                                         /
 -----------------------------------------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

None

ランダムに一つ選んだ結果を主力

YasunoriSay.ps1

using namespace System.IO;
using namespace Markdig;
using namespace Markdig.Syntax;

param(
    [Parameter()]
    [switch] $All,

    [Parameter()]
    [switch] $Cow
)

class Yasunori {
    [string] $title;
    [string] $date
    [string] $contents;
    [string] $cite;
    [string] $by;
    [string] $inspired;
    [string] $inspired_url;
    [string] $memo;
}
$md = Invoke-WebRequest https://raw.githubusercontent.com/takeokunn/awesome-yasunori/refs/heads/main/README.md |
    Select-Object -ExpandProperty Content
# [string]$md = [File]::ReadAllText((Get-Item -Path ./README.md))
$list = [Markdown]::Parse($md) |
    ForEach-Object -Process {
        $t = $_
        if ($t -is [HeadingBlock] -and $t.Level -eq 3) {
            $str = [Markdown]::ToPlainText($md.Substring($t.Span.Start, $t.Span.Length))
            if ($str -match "^(.*?) \((.*)\s+\w+\)") {
                if ($null -ne $item) {
                    Write-Output $item
                }
                $item = [Yasunori]::new();
                $item.title = $Matches[1]
                $item.date = (
                    [datetime]::SpecifyKind([datetime]$Matches[2], [System.DateTimeKind]::Local)
                ).ToString("o")
            }
            return
        }
        if ($null -eq $item) { return; }
        if ($t -is [ParagraphBlock]) {
            $str = [Markdown]::ToPlainText($md.Substring($t.Span.Start, $t.Span.Length))
            switch -Regex ($str) {
                "inspired by (.*)" {
                    $item.inspired = $Matches[1]
                    $link = $t.Inline | Where-Object { $_ -is [Inlines.LinkInline] }
                    if ($link.Count -gt 0) {
                        $item.inspired_url = $link[0].Url
                    }
                    break
                }
                "(.*?) by (.*)" {
                    $item.cite = $Matches[1]
                    $item.by = $Matches[2]
                    break
                }
            }
        } elseif ($t -is [FencedCodeBlock]) {
            $item.Contents = ($t.Lines -join "`n").Trim()
        } elseif ($t -is [ListBlock]) {
            $item.memo = $md.Substring($t.Span.Start, $t.Span.Length)
        }
    } -End {
        Write-Output $item
    }

if ($All) {
    Write-Output $list
    return
}

$index = [int](Get-Random -Maximum $list.Count)
$item = $list[$index]

if ($Cow) {
    (
        ("{0}" -f $item.Title),
        "",
        $item.Contents,
        "",
        $(if ($item.inspired) { "Inspired by {0}" -f $item.inspired }),
        ("―― by {0}" -f $item.By)
    ) |
        cowsay
} else {
    ("# {0}" -f $item.Title) |
        ConvertFrom-Markdown -AsVT100EncodedString |
        Select-Object -ExpandProperty VT100EncodedString
    $item.Contents
    ""
    if ($item.inspired) {
        ("Inspired by [{0}]({1})" -f $item.inspired,$item.inspired_url) |
            ConvertFrom-Markdown -AsVT100EncodedString |
            Select-Object -ExpandProperty VT100EncodedString
    }
    ("―― by {0}" -f $item.By)
}