fsrv: simple file server

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

cmd/fsrv/README.md

@@ -0,0 +1,11 @@
+# fsrv
+
+Dumb simple static file server. 
+
+## Usage
+
+```shell
+$> fsrv -root ./default.castr/
+2014/05/05 11:26:25 Serving /home/vbatts/default.castr on 127.0.0.1:8888 ...
+```
+

cmd/fsrv/main.go

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+package main
+
+import (
+	"flag"
+	"log"
+	"net/http"
+	"path/filepath"
+)
+
+var (
+	flRoot = flag.String("root", ".", "root path to serve")
+	//flPrefix = flag.String("prefix", "", "prefix the served URL path")
+	flBind = flag.String("b", "127.0.0.1", "addr to bind to")
+	flPort = flag.String("p", "8888", "port to listen on")
+)
+
+func main() {
+	flag.Parse()
+
+	var err error
+	*flRoot, err = filepath.Abs(*flRoot)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	http.Handle("/", http.FileServer(http.Dir(*flRoot)))
+	log.Printf("Serving %s on %s:%s ...", *flRoot, *flBind, *flPort)
+	log.Fatal(http.ListenAndServe(*flBind+":"+*flPort, nil))
+}