diff --git a/main.go b/main.go
index 001b4d9..09acb83 100644
--- a/main.go
+++ b/main.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"net/http"
 	"os"
 	"strings"
 
@@ -40,8 +41,9 @@ func drawNode(x graph.Graph[string, string], node *Node, drawn *[]string, limit
 	return y
 }
 
+var thes = Thesaurus{pntrmap: make(map[string]*Node)}
+
 func main() {
-	thes := Thesaurus{pntrmap: make(map[string]*Node)}
 
 	records := readCsvFile("./csv_file2.csv")
 	for _, record := range records {
@@ -64,6 +66,7 @@ func main() {
 		}
 		//fmt.Println(node.weight)
 	}
+
 	g := graph.New(graph.StringHash, graph.Directed())
 	drawn := []string{}
 	//ctr := 0
@@ -79,4 +82,6 @@ func main() {
 	g = drawNode(g, thes.pntrmap["the"], &drawn, 4, 0.3)
 	file, _ := os.Create("my-graph.gv")
 	_ = draw.DOT(g, file)
+
+	http.ListenAndServe("127.0.0.1:8080", http.HandlerFunc(Serve))
 }
diff --git a/my-graph.gv b/my-graph.gv
index 83d1fef..36b5061 100644
--- a/my-graph.gv
+++ b/my-graph.gv
@@ -1,319 +1,171 @@
 strict digraph {
 
 
-	"for" [ label="for",  weight=0 ];
-
-	"for" -> "is" [  weight=0 ];
-
-	"for" -> "for" [  weight=0 ];
-
-	"for" -> "on" [  weight=0 ];
-
-	"for" -> "the" [  weight=0 ];
-
-	"for" -> "are" [  weight=0 ];
-
-	"for" -> "your" [  weight=0 ];
-
-	"for" -> "this" [  weight=0 ];
-
-	"for" -> "and" [  weight=0 ];
-
-	"for" -> "in" [  weight=0 ];
-
-	"for" -> "a" [  weight=0 ];
-
-	"for" -> "to" [  weight=0 ];
-
-	"for" -> "that" [  weight=0 ];
-
-	"for" -> "you" [  weight=0 ];
-
 	"are" [ label="are",  weight=0 ];
 
-	"are" -> "a" [  weight=0 ];
-
-	"are" -> "is" [  weight=0 ];
-
-	"are" -> "and" [  weight=0 ];
-
-	"are" -> "the" [  weight=0 ];
-
-	"are" -> "for" [  weight=0 ];
-
-	"are" -> "this" [  weight=0 ];
-
-	"are" -> "on" [  weight=0 ];
-
-	"are" -> "are" [  weight=0 ];
-
-	"are" -> "of" [  weight=0 ];
-
-	"are" -> "that" [  weight=0 ];
-
-	"are" -> "in" [  weight=0 ];
-
-	"are" -> "your" [  weight=0 ];
-
-	"are" -> "you" [  weight=0 ];
-
 	"are" -> "to" [  weight=0 ];
 
-	"of" [ label="of",  weight=0 ];
+	"are" -> "are" [  weight=0 ];
 
-	"of" -> "a" [  weight=0 ];
+	"are" -> "this" [  weight=0 ];
 
-	"of" -> "of" [  weight=0 ];
+	"are" -> "your" [  weight=0 ];
 
-	"of" -> "you" [  weight=0 ];
+	"are" -> "a" [  weight=0 ];
 
-	"of" -> "and" [  weight=0 ];
+	"are" -> "the" [  weight=0 ];
 
-	"of" -> "in" [  weight=0 ];
+	"are" -> "is" [  weight=0 ];
 
-	"of" -> "are" [  weight=0 ];
+	"are" -> "in" [  weight=0 ];
 
-	"of" -> "is" [  weight=0 ];
+	"are" -> "that" [  weight=0 ];
 
-	"of" -> "for" [  weight=0 ];
+	"are" -> "of" [  weight=0 ];
 
-	"of" -> "your" [  weight=0 ];
+	"are" -> "for" [  weight=0 ];
 
-	"of" -> "the" [  weight=0 ];
+	"are" -> "on" [  weight=0 ];
 
-	"of" -> "to" [  weight=0 ];
+	"are" -> "you" [  weight=0 ];
 
-	"of" -> "de" [  weight=0 ];
-
-	"of" -> "this" [  weight=0 ];
-
-	"of" -> "that" [  weight=0 ];
-
-	"of" -> "on" [  weight=0 ];
-
-	"de" [ label="de",  weight=0 ];
-
-	"de" -> "the" [  weight=0 ];
-
-	"de" -> "on" [  weight=0 ];
-
-	"de" -> "you" [  weight=0 ];
-
-	"de" -> "to" [  weight=0 ];
-
-	"de" -> "that" [  weight=0 ];
-
-	"de" -> "a" [  weight=0 ];
-
-	"de" -> "and" [  weight=0 ];
-
-	"de" -> "this" [  weight=0 ];
-
-	"de" -> "de" [  weight=0 ];
-
-	"this" [ label="this",  weight=0 ];
-
-	"this" -> "for" [  weight=0 ];
-
-	"this" -> "and" [  weight=0 ];
-
-	"this" -> "a" [  weight=0 ];
-
-	"this" -> "are" [  weight=0 ];
-
-	"this" -> "on" [  weight=0 ];
-
-	"this" -> "your" [  weight=0 ];
-
-	"this" -> "to" [  weight=0 ];
-
-	"this" -> "is" [  weight=0 ];
-
-	"this" -> "of" [  weight=0 ];
-
-	"this" -> "the" [  weight=0 ];
-
-	"this" -> "this" [  weight=0 ];
-
-	"this" -> "in" [  weight=0 ];
-
-	"this" -> "that" [  weight=0 ];
-
-	"this" -> "you" [  weight=0 ];
-
-	"a" [ label="a",  weight=0 ];
-
-	"a" -> "for" [  weight=0 ];
-
-	"a" -> "de" [  weight=0 ];
-
-	"a" -> "and" [  weight=0 ];
-
-	"a" -> "is" [  weight=0 ];
-
-	"a" -> "the" [  weight=0 ];
-
-	"a" -> "on" [  weight=0 ];
-
-	"a" -> "this" [  weight=0 ];
-
-	"a" -> "that" [  weight=0 ];
-
-	"a" -> "in" [  weight=0 ];
-
-	"a" -> "to" [  weight=0 ];
-
-	"a" -> "a" [  weight=0 ];
-
-	"is" [ label="is",  weight=0 ];
-
-	"is" -> "that" [  weight=0 ];
-
-	"is" -> "this" [  weight=0 ];
-
-	"is" -> "and" [  weight=0 ];
-
-	"is" -> "the" [  weight=0 ];
-
-	"is" -> "to" [  weight=0 ];
-
-	"is" -> "you" [  weight=0 ];
-
-	"is" -> "a" [  weight=0 ];
-
-	"is" -> "for" [  weight=0 ];
-
-	"is" -> "your" [  weight=0 ];
-
-	"is" -> "of" [  weight=0 ];
-
-	"is" -> "on" [  weight=0 ];
-
-	"is" -> "in" [  weight=0 ];
-
-	"your" [ label="your",  weight=0 ];
-
-	"your" -> "the" [  weight=0 ];
-
-	"your" -> "you" [  weight=0 ];
-
-	"your" -> "a" [  weight=0 ];
-
-	"your" -> "on" [  weight=0 ];
-
-	"your" -> "your" [  weight=0 ];
-
-	"your" -> "this" [  weight=0 ];
-
-	"your" -> "for" [  weight=0 ];
-
-	"your" -> "are" [  weight=0 ];
-
-	"your" -> "to" [  weight=0 ];
-
-	"the" [ label="the",  weight=0 ];
-
-	"the" -> "in" [  weight=0 ];
-
-	"the" -> "a" [  weight=0 ];
-
-	"the" -> "of" [  weight=0 ];
-
-	"the" -> "your" [  weight=0 ];
-
-	"the" -> "that" [  weight=0 ];
-
-	"the" -> "the" [  weight=0 ];
-
-	"the" -> "and" [  weight=0 ];
-
-	"the" -> "you" [  weight=0 ];
-
-	"the" -> "this" [  weight=0 ];
-
-	"the" -> "to" [  weight=0 ];
-
-	"the" -> "on" [  weight=0 ];
-
-	"the" -> "is" [  weight=0 ];
-
-	"on" [ label="on",  weight=0 ];
-
-	"on" -> "your" [  weight=0 ];
-
-	"on" -> "a" [  weight=0 ];
-
-	"on" -> "is" [  weight=0 ];
-
-	"on" -> "in" [  weight=0 ];
-
-	"on" -> "are" [  weight=0 ];
-
-	"on" -> "this" [  weight=0 ];
-
-	"on" -> "to" [  weight=0 ];
-
-	"on" -> "the" [  weight=0 ];
-
-	"on" -> "for" [  weight=0 ];
-
-	"on" -> "you" [  weight=0 ];
-
-	"on" -> "that" [  weight=0 ];
-
-	"on" -> "and" [  weight=0 ];
-
-	"on" -> "on" [  weight=0 ];
+	"are" -> "and" [  weight=0 ];
 
 	"you" [ label="you",  weight=0 ];
 
+	"you" -> "that" [  weight=0 ];
+
 	"you" -> "are" [  weight=0 ];
 
-	"you" -> "on" [  weight=0 ];
-
-	"you" -> "to" [  weight=0 ];
-
-	"you" -> "your" [  weight=0 ];
-
 	"you" -> "you" [  weight=0 ];
 
-	"you" -> "in" [  weight=0 ];
-
-	"you" -> "for" [  weight=0 ];
+	"you" -> "on" [  weight=0 ];
 
 	"you" -> "and" [  weight=0 ];
 
-	"you" -> "the" [  weight=0 ];
-
-	"you" -> "is" [  weight=0 ];
-
 	"you" -> "of" [  weight=0 ];
 
-	"you" -> "this" [  weight=0 ];
+	"you" -> "your" [  weight=0 ];
+
+	"you" -> "the" [  weight=0 ];
 
 	"you" -> "a" [  weight=0 ];
 
 	"you" -> "de" [  weight=0 ];
 
-	"you" -> "that" [  weight=0 ];
+	"you" -> "to" [  weight=0 ];
+
+	"you" -> "in" [  weight=0 ];
+
+	"you" -> "is" [  weight=0 ];
+
+	"you" -> "for" [  weight=0 ];
+
+	"you" -> "this" [  weight=0 ];
+
+	"to" [ label="to",  weight=0 ];
+
+	"to" -> "on" [  weight=0 ];
+
+	"to" -> "your" [  weight=0 ];
+
+	"to" -> "for" [  weight=0 ];
+
+	"to" -> "is" [  weight=0 ];
+
+	"to" -> "you" [  weight=0 ];
+
+	"to" -> "that" [  weight=0 ];
+
+	"to" -> "are" [  weight=0 ];
+
+	"to" -> "to" [  weight=0 ];
+
+	"to" -> "and" [  weight=0 ];
+
+	"to" -> "a" [  weight=0 ];
+
+	"to" -> "this" [  weight=0 ];
+
+	"to" -> "the" [  weight=0 ];
+
+	"to" -> "in" [  weight=0 ];
+
+	"and" [ label="and",  weight=0 ];
+
+	"and" -> "your" [  weight=0 ];
+
+	"and" -> "you" [  weight=0 ];
+
+	"and" -> "the" [  weight=0 ];
+
+	"and" -> "of" [  weight=0 ];
+
+	"and" -> "to" [  weight=0 ];
+
+	"and" -> "and" [  weight=0 ];
+
+	"and" -> "are" [  weight=0 ];
+
+	"and" -> "a" [  weight=0 ];
+
+	"and" -> "is" [  weight=0 ];
+
+	"and" -> "on" [  weight=0 ];
+
+	"and" -> "this" [  weight=0 ];
+
+	"and" -> "for" [  weight=0 ];
+
+	"and" -> "that" [  weight=0 ];
+
+	"and" -> "in" [  weight=0 ];
+
+	"that" [ label="that",  weight=0 ];
+
+	"that" -> "your" [  weight=0 ];
+
+	"that" -> "the" [  weight=0 ];
+
+	"that" -> "for" [  weight=0 ];
+
+	"that" -> "in" [  weight=0 ];
+
+	"that" -> "you" [  weight=0 ];
+
+	"that" -> "to" [  weight=0 ];
+
+	"that" -> "this" [  weight=0 ];
+
+	"that" -> "of" [  weight=0 ];
+
+	"that" -> "and" [  weight=0 ];
+
+	"that" -> "on" [  weight=0 ];
+
+	"that" -> "a" [  weight=0 ];
+
+	"that" -> "are" [  weight=0 ];
+
+	"that" -> "is" [  weight=0 ];
+
+	"that" -> "that" [  weight=0 ];
 
 	"in" [ label="in",  weight=0 ];
 
-	"in" -> "a" [  weight=0 ];
-
-	"in" -> "the" [  weight=0 ];
-
-	"in" -> "this" [  weight=0 ];
-
 	"in" -> "for" [  weight=0 ];
 
+	"in" -> "on" [  weight=0 ];
+
 	"in" -> "you" [  weight=0 ];
 
+	"in" -> "the" [  weight=0 ];
+
 	"in" -> "your" [  weight=0 ];
 
 	"in" -> "to" [  weight=0 ];
 
-	"in" -> "and" [  weight=0 ];
+	"in" -> "this" [  weight=0 ];
 
 	"in" -> "is" [  weight=0 ];
 
@@ -321,96 +173,244 @@ strict digraph {
 
 	"in" -> "are" [  weight=0 ];
 
-	"in" -> "on" [  weight=0 ];
+	"in" -> "and" [  weight=0 ];
+
+	"in" -> "a" [  weight=0 ];
 
 	"in" -> "that" [  weight=0 ];
 
-	"and" [ label="and",  weight=0 ];
+	"for" [ label="for",  weight=0 ];
 
-	"and" -> "a" [  weight=0 ];
+	"for" -> "in" [  weight=0 ];
 
-	"and" -> "and" [  weight=0 ];
+	"for" -> "your" [  weight=0 ];
 
-	"and" -> "this" [  weight=0 ];
+	"for" -> "are" [  weight=0 ];
 
-	"and" -> "is" [  weight=0 ];
+	"for" -> "you" [  weight=0 ];
 
-	"and" -> "to" [  weight=0 ];
+	"for" -> "for" [  weight=0 ];
 
-	"and" -> "for" [  weight=0 ];
+	"for" -> "and" [  weight=0 ];
 
-	"and" -> "in" [  weight=0 ];
+	"for" -> "to" [  weight=0 ];
 
-	"and" -> "that" [  weight=0 ];
+	"for" -> "that" [  weight=0 ];
 
-	"and" -> "on" [  weight=0 ];
+	"for" -> "the" [  weight=0 ];
 
-	"and" -> "of" [  weight=0 ];
+	"for" -> "this" [  weight=0 ];
 
-	"and" -> "are" [  weight=0 ];
+	"for" -> "a" [  weight=0 ];
 
-	"and" -> "your" [  weight=0 ];
+	"for" -> "is" [  weight=0 ];
 
-	"and" -> "the" [  weight=0 ];
+	"for" -> "on" [  weight=0 ];
 
-	"and" -> "you" [  weight=0 ];
+	"a" [ label="a",  weight=0 ];
 
-	"to" [ label="to",  weight=0 ];
+	"a" -> "the" [  weight=0 ];
 
-	"to" -> "for" [  weight=0 ];
+	"a" -> "to" [  weight=0 ];
 
-	"to" -> "that" [  weight=0 ];
+	"a" -> "that" [  weight=0 ];
 
-	"to" -> "your" [  weight=0 ];
+	"a" -> "a" [  weight=0 ];
 
-	"to" -> "in" [  weight=0 ];
+	"a" -> "this" [  weight=0 ];
 
-	"to" -> "is" [  weight=0 ];
+	"a" -> "on" [  weight=0 ];
 
-	"to" -> "are" [  weight=0 ];
+	"a" -> "in" [  weight=0 ];
 
-	"to" -> "to" [  weight=0 ];
+	"a" -> "and" [  weight=0 ];
 
-	"to" -> "on" [  weight=0 ];
+	"a" -> "is" [  weight=0 ];
 
-	"to" -> "a" [  weight=0 ];
+	"a" -> "for" [  weight=0 ];
 
-	"to" -> "the" [  weight=0 ];
+	"a" -> "de" [  weight=0 ];
 
-	"to" -> "you" [  weight=0 ];
+	"the" [ label="the",  weight=0 ];
 
-	"to" -> "this" [  weight=0 ];
+	"the" -> "in" [  weight=0 ];
 
-	"to" -> "and" [  weight=0 ];
+	"the" -> "a" [  weight=0 ];
 
-	"that" [ label="that",  weight=0 ];
+	"the" -> "the" [  weight=0 ];
 
-	"that" -> "for" [  weight=0 ];
+	"the" -> "and" [  weight=0 ];
 
-	"that" -> "on" [  weight=0 ];
+	"the" -> "is" [  weight=0 ];
 
-	"that" -> "is" [  weight=0 ];
+	"the" -> "that" [  weight=0 ];
 
-	"that" -> "in" [  weight=0 ];
+	"the" -> "this" [  weight=0 ];
 
-	"that" -> "this" [  weight=0 ];
+	"the" -> "your" [  weight=0 ];
 
-	"that" -> "to" [  weight=0 ];
+	"the" -> "on" [  weight=0 ];
 
-	"that" -> "and" [  weight=0 ];
+	"the" -> "of" [  weight=0 ];
 
-	"that" -> "are" [  weight=0 ];
+	"the" -> "you" [  weight=0 ];
 
-	"that" -> "that" [  weight=0 ];
+	"the" -> "to" [  weight=0 ];
 
-	"that" -> "of" [  weight=0 ];
+	"de" [ label="de",  weight=0 ];
 
-	"that" -> "a" [  weight=0 ];
+	"de" -> "this" [  weight=0 ];
 
-	"that" -> "the" [  weight=0 ];
+	"de" -> "on" [  weight=0 ];
 
-	"that" -> "your" [  weight=0 ];
+	"de" -> "the" [  weight=0 ];
 
-	"that" -> "you" [  weight=0 ];
+	"de" -> "de" [  weight=0 ];
+
+	"de" -> "you" [  weight=0 ];
+
+	"de" -> "a" [  weight=0 ];
+
+	"de" -> "that" [  weight=0 ];
+
+	"de" -> "and" [  weight=0 ];
+
+	"de" -> "to" [  weight=0 ];
+
+	"this" [ label="this",  weight=0 ];
+
+	"this" -> "is" [  weight=0 ];
+
+	"this" -> "this" [  weight=0 ];
+
+	"this" -> "that" [  weight=0 ];
+
+	"this" -> "the" [  weight=0 ];
+
+	"this" -> "to" [  weight=0 ];
+
+	"this" -> "are" [  weight=0 ];
+
+	"this" -> "of" [  weight=0 ];
+
+	"this" -> "and" [  weight=0 ];
+
+	"this" -> "for" [  weight=0 ];
+
+	"this" -> "you" [  weight=0 ];
+
+	"this" -> "a" [  weight=0 ];
+
+	"this" -> "in" [  weight=0 ];
+
+	"this" -> "your" [  weight=0 ];
+
+	"this" -> "on" [  weight=0 ];
+
+	"is" [ label="is",  weight=0 ];
+
+	"is" -> "your" [  weight=0 ];
+
+	"is" -> "the" [  weight=0 ];
+
+	"is" -> "and" [  weight=0 ];
+
+	"is" -> "on" [  weight=0 ];
+
+	"is" -> "a" [  weight=0 ];
+
+	"is" -> "to" [  weight=0 ];
+
+	"is" -> "of" [  weight=0 ];
+
+	"is" -> "this" [  weight=0 ];
+
+	"is" -> "for" [  weight=0 ];
+
+	"is" -> "you" [  weight=0 ];
+
+	"is" -> "that" [  weight=0 ];
+
+	"is" -> "in" [  weight=0 ];
+
+	"your" [ label="your",  weight=0 ];
+
+	"your" -> "for" [  weight=0 ];
+
+	"your" -> "are" [  weight=0 ];
+
+	"your" -> "this" [  weight=0 ];
+
+	"your" -> "to" [  weight=0 ];
+
+	"your" -> "on" [  weight=0 ];
+
+	"your" -> "the" [  weight=0 ];
+
+	"your" -> "a" [  weight=0 ];
+
+	"your" -> "your" [  weight=0 ];
+
+	"your" -> "you" [  weight=0 ];
+
+	"of" [ label="of",  weight=0 ];
+
+	"of" -> "this" [  weight=0 ];
+
+	"of" -> "is" [  weight=0 ];
+
+	"of" -> "de" [  weight=0 ];
+
+	"of" -> "in" [  weight=0 ];
+
+	"of" -> "for" [  weight=0 ];
+
+	"of" -> "of" [  weight=0 ];
+
+	"of" -> "and" [  weight=0 ];
+
+	"of" -> "to" [  weight=0 ];
+
+	"of" -> "a" [  weight=0 ];
+
+	"of" -> "are" [  weight=0 ];
+
+	"of" -> "on" [  weight=0 ];
+
+	"of" -> "the" [  weight=0 ];
+
+	"of" -> "that" [  weight=0 ];
+
+	"of" -> "your" [  weight=0 ];
+
+	"of" -> "you" [  weight=0 ];
+
+	"on" [ label="on",  weight=0 ];
+
+	"on" -> "to" [  weight=0 ];
+
+	"on" -> "this" [  weight=0 ];
+
+	"on" -> "you" [  weight=0 ];
+
+	"on" -> "is" [  weight=0 ];
+
+	"on" -> "in" [  weight=0 ];
+
+	"on" -> "on" [  weight=0 ];
+
+	"on" -> "your" [  weight=0 ];
+
+	"on" -> "for" [  weight=0 ];
+
+	"on" -> "and" [  weight=0 ];
+
+	"on" -> "that" [  weight=0 ];
+
+	"on" -> "a" [  weight=0 ];
+
+	"on" -> "the" [  weight=0 ];
+
+	"on" -> "are" [  weight=0 ];
 
 }
diff --git a/thesaurus.go b/thesaurus.go
index 8044b90..3b92073 100644
--- a/thesaurus.go
+++ b/thesaurus.go
@@ -1,22 +1,22 @@
 package main
 
 type Edge struct {
-	name   string
-	weight float64
-	target *Node
-}
-
-type Node struct {
-	edges       map[string]Edge
 	name        string
-	start       int
-	end         int
 	weight      float64
+	target      *Node
 	scentenceId uint32
 }
 
-func makeNode(name string, scentenceId uint32) *Node {
-	node := &Node{name: name, edges: make(map[string]Edge), start: 0, end: 0, weight: 0, scentenceId: scentenceId}
+type Node struct {
+	edges  map[string]map[uint32]Edge
+	name   string
+	start  int
+	end    int
+	weight float64
+}
+
+func makeNode(name string) *Node {
+	node := &Node{name: name, edges: make(map[string]map[uint32]Edge), start: 0, end: 0, weight: 0}
 	return node
 }
 
@@ -27,7 +27,7 @@ type Thesaurus struct {
 func (thes *Thesaurus) addEntry(start string, targets []string, scentenceId uint32) {
 	_, exists := thes.pntrmap[start]
 	if !exists {
-		thes.pntrmap[start] = makeNode(start, scentenceId)
+		thes.pntrmap[start] = makeNode(start)
 	}
 	thes.pntrmap[start].weight += 1
 	thes.addEdges(start, targets, scentenceId)
@@ -38,15 +38,17 @@ func (thes *Thesaurus) addEdges(start string, targets []string, scentenceId uint
 	for _, s := range targets {
 		edgeVal, edgeExists := val.edges[s]
 		if edgeExists {
-			edgeVal.weight += 1
+			edge := edgeVal[scentenceId]
+			edge.weight += 1
+			edgeVal[scentenceId] = edge
 			val.edges[s] = edgeVal
 		} else {
 			targetVal, targetExists := thes.pntrmap[s]
 			if !targetExists {
-				thes.pntrmap[s] = makeNode(s, scentenceId)
+				thes.pntrmap[s] = makeNode(s)
 				targetVal = thes.pntrmap[s]
 			}
-			val.edges[s] = Edge{name: s, weight: 1, target: targetVal}
+			val.edges[s][scentenceId] = Edge{name: s, weight: 1, target: targetVal, scentenceId: scentenceId}
 		}
 	}
 }
diff --git a/util.go b/util.go
index 778d8ce..48c2666 100644
--- a/util.go
+++ b/util.go
@@ -1,12 +1,16 @@
 package main
 
 import (
+	"bytes"
 	"encoding/csv"
+	"encoding/json"
 	"fmt"
 	"hash/fnv"
+	"io"
 	"log"
 	"os"
 	"strings"
+	"sync"
 )
 
 func hash(s string) uint32 {
@@ -63,3 +67,50 @@ func contains(slc *[]string, str string) bool {
 	}
 	return false
 }
+
+var Marshal = func(v interface{}) (io.Reader, error) {
+	b, err := json.MarshalIndent(v, "", "\t")
+	if err != nil {
+		return nil, err
+	}
+	return bytes.NewReader(b), nil
+}
+var lock sync.Mutex
+
+// Unmarshal is a function that unmarshals the data from the
+// reader into the specified value.
+// By default, it uses the JSON unmarshaller.
+var Unmarshal = func(r io.Reader, v interface{}) error {
+	return json.NewDecoder(r).Decode(v)
+}
+
+// Load loads the file at path into v.
+// Use os.IsNotExist() to see if the returned error is due
+// to the file being missing.
+func Load(path string, v interface{}) error {
+	lock.Lock()
+	defer lock.Unlock()
+	f, err := os.Open(path)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	return Unmarshal(f, v)
+}
+
+// Save saves a representation of v to the file at path.
+func Save(path string, v interface{}) error {
+	lock.Lock()
+	defer lock.Unlock()
+	f, err := os.Create(path)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	r, err := Marshal(v)
+	if err != nil {
+		return err
+	}
+	_, err = io.Copy(f, r)
+	return err
+}