1 files changed, 22 insertions, 0 deletions
diff --git a/du.js b/du.js
new file mode 100644
index 0000000..947fe81
--- /dev/null
+++ b/du.js
@@ -0,0 +1,22 @@
+const child = require("child_process")
+
+module.exports = dir => {
+	let res, rej
+	const prom = new Promise((rs, rj) => [res, rej] = [rs, rj])
+
+	const proc = child.spawn("du", ["-b", "-L", dir])
+
+	let data = ""
+	proc.stdout.on("data", chunk => {
+		data += chunk
+	})
+
+	proc.on("close", code => {
+		if (code == 0)
+			res(parseInt(data))
+		else
+			rej(code)
+	})
+
+	return prom
+}