Readme automation.

Author: kitschpatrol

mdat.config.ts

@@ -1,3 +1,43 @@
 import { mdatConfig } from '@kitschpatrol/mdat-config'
+import { execFileSync } from 'node:child_process'
+import { open } from 'node:fs/promises'
 
-export default mdatConfig()
+function getGitLastModified(filePath: string): Date {
+	const stdout = execFileSync('git', ['log', '-1', '--format=%ci', '--', filePath], {
+		encoding: 'utf8',
+	})
+
+	return new Date(stdout.trim())
+}
+
+async function countLines(filePath: string): Promise<number> {
+	const file = await open(filePath, 'r')
+	let count = 0
+
+	try {
+		for await (const chunk of file.readableWebStream()) {
+			// eslint-disable-next-line ts/no-unsafe-type-assertion
+			const bytes = chunk as Uint8Array
+			for (const byte of bytes) {
+				if (byte === 0x0a) count++
+			}
+		}
+	} finally {
+		await file.close()
+	}
+
+	return count
+}
+
+export default mdatConfig({
+	rules: {
+		'update-date'() {
+			const updateDate = getGitLastModified('./src/en-wiktionary.txt')
+			return updateDate.toLocaleDateString('en-US', { month: 'long', year: 'numeric' })
+		},
+		async 'word-count'() {
+			const wordCount = await countLines('./src/en-wiktionary.txt')
+			return wordCount.toLocaleString('en-US')
+		},
+	},
+})

readme.md

@@ -21,7 +21,7 @@
 
 ## Overview
 
-This is a pre-built [CSpell](https://cspell.org/) dictionary with 800k+ English words sampled from the [Wiktionary](https://en.wiktionary.org/wiki/Wiktionary:Main_Page) project in November 2025.
+This is a pre-built [CSpell](https://cspell.org/) dictionary with <!-- word-count -->913,922<!-- /word-count --> English words sampled from the [Wiktionary](https://en.wiktionary.org/wiki/Wiktionary:Main_Page) project in <!-- update-date -->January 2026<!-- /update-date -->.
 
 ## Getting started
 
@@ -94,7 +94,7 @@ No censorship and _almost_ no curation is performed when generating the dictiona
 See the [generate-dictionary.ts](/scripts/generate-dictionary.ts) script for additional
 details.
 
-My intention is to update this dictionary with the latest words from Wiktionary at least once a year.
+My intention is to update this dictionary with the latest words from Wiktionary at least once a year. (The mose recent update was in <!-- update-date -->January 2026<!-- /update-date -->.)
 
 ## Maintainers