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概要

wsl(wsl2じゃない)でledgerやってみた。
練習問題、やってみた。

練習問題

elixirで貸借対照表をtable表示せよ。

サンプルコード

defmodule Vs do
	use Agent
	def start_link() do
		Agent.start_link(fn -> 
			[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]
		end, name: __MODULE__)
	end
	def get(p) do
		Agent.get(__MODULE__, fn v ->
			Enum.at(v, p)
		end)
	end
	def set(p, x) do
		Agent.update(__MODULE__, fn v ->
			List.update_at(v, p, fn _ -> 
	            x
            end)
		end)
	end
end
defmodule Main do
    def print(nil) do
        IO.puts "ok"
    end
    def print(l) do
		#IO.puts l
		l = String.trim l
		l = String.replace(l, "    ", "  ")
		s = String.split(l, "  ")
		#IO.puts Enum.at(s, 0)
        #IO.puts "#{Enum.at(s, 0)} !#{Enum.at(s, 1)} !#{Enum.at(s, 2)}<br>"
        cond do
		Enum.at(s, 1) == "パソコン" ->
			Vs.set(0, Enum.at(s, 0))
		Enum.at(s, 1) == "棚卸資産" ->
			Vs.set(1, Enum.at(s, 0))
		Enum.at(s, 1) == "現金" ->
			Vs.set(2, Enum.at(s, 0))
		Enum.at(s, 1) == "車" ->
			Vs.set(3, Enum.at(s, 0))
		Enum.at(s, 1) == "Liabilities:借入金" ->
			Vs.set(4, Enum.at(s, 0))
		Enum.at(s, 1) == "資本金" ->
			Vs.set(5, Enum.at(s, 0))
		Enum.at(s, 1) == "利益剰余金" ->
			Vs.set(6, Enum.at(s, 0))
		true ->
			Vs.set(9, Enum.at(s, 0))
		end
    end
    def main() do
        csv = """
               -1030  Assets
                -150    パソコン
                -150    棚卸資産
                -330    現金
                -400    車
                 300  Equity
                 100    利益剰余金
                 200    資本金
               -1270  Expenses
               -1000    売上原価
                 -20    支払利息
                -100    減価償却費
                -150    税金(費用)
                1600  Income:売上
                 400  Liabilities:借入金
--------------------
                   0
"""
        Enum.map(String.split(csv, "\n"), fn l ->
			print(l)
		end)

        IO.puts """
<!doctype html>
<html>
<head>
</head>
<body>
<table border="1">
<caption><h2>貸借対照表</h2></caption>
<tbody>
<tr>
    <th scope="col" colspan="2" ><strong>資産の部</strong></th>
    <th scope="col" colspan="2" ><strong>負債の部</strong></th>
</tr>
<tr>
    <th >パソコン</th>
    <td >#{Vs.get(0)}</td>
    <th >借入金</th>
    <td >#{Vs.get(4)}</td>
</tr>
<tr>
    <th >棚卸資産</th>
    <td >#{Vs.get(1)}</td>
    <th ></th>
    <td ></td>
</tr>
<tr>
    <th >現金</th>
    <td >#{Vs.get(2)}</td>
    <th ></th>
    <td ></td>
</tr>
<tr>
    <th >車</th>
    <td >#{Vs.get(3)}</td>
    <th ></th>
    <td ></td>
</tr>
<tr>
    <th ></th>
    <td ></td>
    <th scope="col" colspan="2"><strong>資本の部</strong></th>
</tr>
<tr>
    <th ></th>
    <td ></td>
    <th >資本金</th>
    <td >#{Vs.get(5)}</td>
</tr>
<tr>
    <th ></th>
    <td ></td>
    <th >利益剰余金</th>
    <td >#{Vs.get(6)}</td>
</tr>
</tbody>
</table>
</body>
</html>
"""
	end
end
Vs.start_link
Main.main




実行結果

image.png

成果物

以上。

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