Added tmx from brandur's tmux-extra repo

tmx

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+#
+# Tmux launcher
+#
+# See:
+#     http://github.com/brandur/tmux-extra
+#
+# Modified version of a script orginally found at:
+#     http://forums.gentoo.org/viewtopic-t-836006-start-0.html
+#
+
+# Works because bash automatically trims by assigning to variables and by 
+# passing arguments
+trim() { echo $1; }
+
+if [[ -z "$1" ]]; then
+    echo "Specify session name as the first argument"
+    exit
+fi
+
+# Only because I often issue `ls` to this script by accident
+if [[ "$1" == "ls" ]]; then
+    tmux ls
+    exit
+fi
+
+base_session="$1"
+# This actually works without the trim() on all systems except OSX
+tmux_nb=$(trim `tmux ls | grep "^$base_session" | wc -l`)
+if [[ "$tmux_nb" == "0" ]]; then
+    echo "Launching tmux base session $base_session ..."
+    tmux new-session -s $base_session
+else
+    # Make sure we are not already in a tmux session
+    if [[ -z "$TMUX" ]]; then
+        # Kill defunct sessions first
+        old_sessions=$(tmux ls 2>/dev/null | egrep "^[0-9]{14}.*[0-9]+\)$" | cut -f 1 -d:)
+        for old_session_id in $old_sessions; do
+            tmux kill-session -t $old_session_id
+        done
+
+        echo "Launching copy of base session $base_session ..."
+        # Session is is date and time to prevent conflict
+        session_id=`date +%Y%m%d%H%M%S`
+        # Create a new session (without attaching it) and link to base session 
+        # to share windows
+        tmux new-session -d -t $base_session -s $session_id
+        # Attach to the new session
+        tmux attach-session -t $session_id
+        # When we detach from it, kill the session
+        tmux kill-session -t $session_id
+    fi
+fi 
+