init

util/util.go

@@ -0,0 +1,33 @@
+// vim:ts=4:sts=4:sw=4:noet:tw=72
+
+package util
+
+import (
+	"bytes"
+	"strconv"
+)
+
+func NumberToString(n int, sep rune) string {
+	start := 0
+	var buf bytes.Buffer
+
+	s := strconv.Itoa(n)
+	if n < 0 {
+		start = 1
+		buf.WriteByte('-')
+	}
+	l := len(s)
+	ci := 3 - ((l - start) % 3)
+	if ci == 3 {
+		ci = 0
+	}
+	for i := start; i < l; i++ {
+		if ci == 3 {
+			buf.WriteRune(sep)
+			ci = 0
+		}
+		ci++
+		buf.WriteByte(s[i])
+	}
+	return buf.String()
+}