1 files changed, 25 insertions, 0 deletions
diff --git a/internal/textutil/human.go b/internal/textutil/human.go
new file mode 100644
index 0000000..21907c3
--- /dev/null
+++ b/internal/textutil/human.go
@@ -0,0 +1,25 @@
+package textutil
+
+import "fmt"
+
+// HumanBytes renders n in a short human-friendly form using base-1000 units.
+// Examples: 999 -> 999B, 1200 -> 1.2k, 1540000 -> 1.5M
+func HumanBytes(n int64) string {
+	if n < 1000 {
+		return fmt.Sprintf("%dB", n)
+	}
+	const unit = 1000.0
+	v := float64(n)
+	suffix := []string{"k", "M", "G", "T"}
+	i := 0
+	for v >= unit && i < len(suffix)-1 {
+		v /= unit
+		i++
+	}
+	s := fmt.Sprintf("%.1f%s", v, suffix[i])
+	// Strip trailing ".0"
+	if len(s) >= 3 && s[len(s)-2:] == ".0" {
+		s = fmt.Sprintf("%d%s", int(v), suffix[i])
+	}
+	return s
+}