added mov command to test out mov metadata parsing

cmd/mov/main.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"mcquay.me/mov"
+)
+
+const usage = "usage: mov <.mov file>"
+
+func main() {
+	if len(os.Args) < 2 {
+		fmt.Fprintf(os.Stderr, "%v\n", usage)
+		os.Exit(1)
+	}
+	for _, path := range os.Args[1:] {
+		f, err := os.Open(path)
+		if err != nil {
+			f.Close()
+			fmt.Fprintf(os.Stderr, "%v\n", err)
+			continue
+		}
+		s, _ := f.Stat()
+		c, cerr := mov.Created(f)
+		f.Seek(0, 0)
+		m, merr := mov.Created(f)
+		f.Close()
+		if cerr != nil || merr != nil {
+			fmt.Fprintf(os.Stderr, "failed to find time: %v, %v\n", cerr, merr)
+			continue
+		}
+		fmt.Printf("%s: from stat:   %+v\n", path, s.ModTime())
+		fmt.Printf("%s: created on:  %+v\n", path, c)
+		fmt.Printf("%s: modified on: %+v\n\n", path, m)
+	}
+}