hashtag analysis, and some updates

printSortedMapStringInt.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"fmt"
+	"sort"
+)
+
+func printSortedMapStringInt(m map[string]int, threshold int) map[int][]string {
+	n := map[int][]string{}
+	var a []int
+	for k, v := range m {
+		if v > threshold {
+			n[v] = append(n[v], k)
+		}
+	}
+	for k := range n {
+		a = append(a, k)
+	}
+	sort.Sort(sort.Reverse(sort.IntSlice(a)))
+	for _, k := range a {
+		for _, s := range n[k] {
+			fmt.Printf("%d - %s,\n", k, s)
+		}
+	}
+	return n
+}