patch 7.4.1570
Problem:    There is no way to avoid the message when editing a file.
Solution:   Add the "F" flag to 'shortmess'. (Shougo, closes #686)
diff --git a/src/buffer.c b/src/buffer.c
index 9ef8a50..543b4a7 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -139,14 +139,19 @@
 #endif
        )
     {
+	int old_msg_silent = msg_silent;
+
 #ifdef FEAT_NETBEANS_INTG
 	int oldFire = netbeansFireChanges;
 
 	netbeansFireChanges = 0;
 #endif
+	if (shortmess(SHM_FILEINFO))
+	    msg_silent = 1;
 	retval = readfile(curbuf->b_ffname, curbuf->b_fname,
 		  (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap,
 		  flags | READ_NEW);
+	msg_silent = old_msg_silent;
 #ifdef FEAT_NETBEANS_INTG
 	netbeansFireChanges = oldFire;
 #endif