1 files changed, 11 insertions, 0 deletions
diff --git a/src/edit/util.go b/src/edit/util.go
index 566796c..b6dfde1 100644
--- a/src/edit/util.go
+++ b/src/edit/util.go
@@ -1,7 +1,10 @@
 package main
 
 import (
+	"mime"
+	"net/http"
 	"os/exec"
+	"path"
 )
 
 type exitError exec.ExitError
@@ -23,3 +26,11 @@ func errcheck(err error) {
 		panic(err)
 	}
 }
+
+func getctype(name string, content []byte) string {
+	ctype := mime.TypeByExtension(path.Ext(name))
+	if ctype == "" {
+		ctype = http.DetectContentType(content)
+	}
+	return ctype
+}