bin: add title

bin/title

@@ -0,0 +1,18 @@
+#!/bin/sh
+if [ "$1" == "" ] ; then
+    if [ "$STY" != "" ] ; then
+        item=$(echo $STY | sed -e 's/^[0-9]*\.//')
+    elif [ "$TMUX" != "" ] ; then
+        item=$(tmux display-message -p "#S")
+    else
+        item="${USER}@$(hostname -s)"
+    fi
+else
+    if [ "$1" == "-d" ] ; then
+        item="$(basename $(pwd))"
+    else
+        item=$1
+        shift
+    fi
+fi
+echo -ne "\033]0;$item\007"