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+# Home
+
+集計スクリプト例↓
+
+```
+#!/bin/bash
+
+YEAR_START="2025-01-01"
+MONTH_START="2025-02-01"
+
+function bsheet() {
+  cat <<EOS
+    SELECT *
+    FROM (
+      SELECT
+        entry.name          AS name,
+        SUM(journal.amount) AS volume
+      FROM journal RIGHT JOIN entry ON journal.entry=entry.id
+      WHERE entry.type='$1'
+      GROUP BY entry.name
+    )
+    WHERE volume != 0;
+EOS
+}
+function bsheet_trans() {
+  cat <<EOS
+    SELECT
+      date,
+      SUM(sum)
+        OVER(ORDER BY date ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
+    FROM (
+      SELECT
+        tx.date AS date,
+        SUM(
+          CASE WHEN entry.type="A" THEN journal.amount ELSE -journal.amount END
+        ) AS sum
+      FROM journal
+        RIGHT JOIN entry ON journal.entry=entry.id
+        RIGHT JOIN tx    ON journal.tx   =tx.id
+      WHERE    entry.type in ("A","D")
+      GROUP BY tx.date
+    );
+EOS
+}
+function pl() {
+  cat <<EOS
+    SELECT
+      entry.name          AS name,
+      SUM(journal.amount) AS sum
+    FROM journal
+      RIGHT JOIN entry ON journal.entry=entry.id
+      RIGHT JOIN tx    ON journal.tx   =tx.id
+    WHERE tx.date >= '$2' AND entry.type='$1'
+    GROUP BY entry.type, entry.name;
+EOS
+}
+function pl_trans() {
+  cat <<EOS
+    SELECT
+      STRFTIME('$2', tx.date) AS period,
+      SUM(amount)             AS sum
+    FROM journal
+      RIGHT JOIN entry ON journal.entry=entry.id
+      RIGHT JOIN tx    ON journal.tx   =tx.id
+    WHERE tx.date >= '$2' AND tx.date >= '$YEAR_START' AND entry.type='$1'
+    GROUP BY period;
+EOS
+}
+
+touch ./db.sqlite
+python -m bookeeper ./db.sqlite  \
+  --read tx.txt  \
+\
+  --output dst/bsheet-asset.txt \
+  --sql "$(bsheet A)"  \
+\
+  --output dst/bsheet-debt.txt \
+  --sql "$(bsheet D)"  \
+\
+  --output dst/bsheet-net.txt \
+  --sql "$(bsheet N)"  \
+\
+  --output dst/bsheet-trans.txt \
+  --sql "$(bsheet_trans)"  \
+\
+  --output dst/pl-expense-1m.txt \
+  --sql "$(pl E $MONTH_START)"  \
+\
+  --output dst/pl-expense-1y.txt \
+  --sql "$(pl E $YEAR_START)"  \
+\
+  --output dst/pl-revenue-1m.txt \
+  --sql "$(pl R $MONTH_START)"  \
+\
+  --output dst/pl-revenue-1y.txt \
+  --sql "$(pl R $YEAR_START)"  \
+\
+  --output dst/pl-trans-expense-1m.txt \
+  --sql "$(pl_trans E '%Y-%m')"  \
+\
+  --output dst/pl-trans-expense-1d.txt \
+  --sql "$(pl_trans E '%Y-%m-%d')"  \
+\
+  --output dst/pl-trans-revenue-1m.txt \
+  --sql "$(pl_trans R '%Y-%m')"  \
+\
+  --output dst/pl-trans-revenue-1d.txt \
+  --sql "$(pl_trans R '%Y-%m-%d')"
+
+function categorize() {
+  cat - | awk -F, '{split($1, terms, "/"); a[terms[1]]+=$2} END {for (y in a) printf "%s,%d\n", y, a[y]}'
+}
+categorize < dst/pl-expense-1m.txt > dst/pl-expense-1m-categorized.txt
+categorize < dst/pl-expense-1y.txt > dst/pl-expense-1y-categorized.txt
+
+sed -i '1s|^|name, volume\n|' dst/bsheet-asset.txt
+sed -i '1s|^|name, volume\n|' dst/bsheet-debt.txt
+sed -i '1s|^|name, volume\n|' dst/bsheet-net.txt
+sed -i '1s|^|date, volume\n|' dst/bsheet-trans.txt
+sed -i '1s|^|name, volume\n|' dst/pl-expense-1m.txt
+sed -i '1s|^|name, volume\n|' dst/pl-expense-1m-categorized.txt
+sed -i '1s|^|name, volume\n|' dst/pl-revenue-1m.txt
+sed -i '1s|^|name, volume\n|' dst/pl-expense-1y.txt
+sed -i '1s|^|name, volume\n|' dst/pl-expense-1y-categorized.txt
+sed -i '1s|^|name, volume\n|' dst/pl-revenue-1y.txt
+sed -i '1s|^|date, volume\n|' dst/pl-trans-expense-1m.txt
+sed -i '1s|^|date, volume\n|' dst/pl-trans-revenue-1m.txt
+sed -i '1s|^|date, volume\n|' dst/pl-trans-expense-1d.txt
+sed -i '1s|^|date, volume\n|' dst/pl-trans-revenue-1d.txt
+```