diff --git a/clite/commands.js b/clite/commands.js
index b5af7de..7b2db11 100644
--- a/clite/commands.js
+++ b/clite/commands.js
@@ -345,11 +345,6 @@ Options:
 		}
 	}
 
-	if (file == null) {
-		stdio.write(io.stderr,'no file specified');
-		return 1;
-	}
-
 	var lines = [];
 	var topLine = 0;
 	var bottomLine = 0;
@@ -395,11 +390,20 @@ Options:
 		showAt(0);
 	}
 
-	var fd = stdio.open(file,prepFile);
-	if (!fd) {
-		stdio.write(io.stderr,'could not open file: '+file);
-		io.exit(1);
-		return;
+	var fd = null;
+
+	if (file == null) {
+		if (isatty(io.stdin)) {
+			stdio.write(io.stderr,'no file specified');
+			return 1;
+		}
+		fd = io.stdin;
+	}else{
+		fd = stdio.open(file,prepFile);
+		if (!fd) {
+			stdio.write(io.stderr,'could not open file: '+file);
+			return 1;
+		}
 	}
 
 	var tty = term.opentty();
diff --git a/clite/core.js b/clite/core.js
index 450a472..fb1b075 100644
--- a/clite/core.js
+++ b/clite/core.js
@@ -71,6 +71,11 @@ var clite = {
 				clite = null;
 				l('clite/core.js',function() {setTimeout('clite.init();',500)});
 			},10);
+		},
+		hostname:function() {
+			if (window.location.protocol != 'file:')
+				return window.location.hostname;
+			return 'localhost';
 		}
 	},
 	init:function() {
@@ -1322,6 +1327,8 @@ clite.term = {
 			return true;
 		},
 		keyup:function(e) {
+			if (clite.term.tty.data != null)
+				return clite.term.tty.data.data.onkeypress(e);
 			if (e.key.length > 1 && e.key != 'Spacebar' && clite.term.data.handler != null) {
 				if (e.key == 'Enter') {
 					clite.term.data.handler(e.target.value);
@@ -1344,16 +1351,7 @@ clite.term = {
 		}
 	},
 	tty:{
-		data:null,
-		keydown:function(e) {
-			if (e.key == 'Tab') {
-				clite.term.events.refocus();
-				return false;
-			}
-		},
-		keyup:function(e) {
-			return clite.term.tty.data.data.onkeypress(e);
-		}
+		data:null
 	},
 	clear:function() {
 		document.getElementById('terminal').innerHTML = '';