Adding extremely simple fs based get and put in erasure-demo

cmd/erasure-demo/get.go

@@ -0,0 +1,52 @@
+package main
+
+import (
+	"io"
+	"log"
+	"os"
+
+	"github.com/codegangsta/cli"
+)
+
+func get(c *cli.Context) {
+	config, err := parseInput(c)
+	if err != nil {
+		log.Fatal(err)
+	}
+	var objectReader io.Reader
+	switch config.storageDriver {
+	case "fs":
+		{
+			if objectReader, err = fsGet(config, c.Args().Get(0)); err != nil {
+				log.Fatal(err)
+			}
+		}
+	default:
+		{
+			log.Fatal("Unknown driver")
+		}
+	}
+	io.Copy(os.Stdout, objectReader)
+}
+
+func put(c *cli.Context) {
+	config, err := parseInput(c)
+	if err != nil {
+		log.Fatal(err)
+	}
+	filePath := c.Args().Get(1)
+	inputFile, err := os.Open(filePath)
+	if err != nil {
+		log.Fatal(err)
+	}
+	switch config.storageDriver {
+	case "fs":
+		{
+			fsPut(config, c.Args().Get(0), inputFile)
+		}
+	default:
+		{
+			log.Fatal("Unknown driver")
+		}
+	}
+}