Added tmux notifications in rc.d

rc.d/tmux

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# GNU Screen stuff
+if ( which tmux &> /dev/null )
+then
+  if [ $(pgrep -c "tmux") -gt 0 ]
+  then
+    if [[ $TERM != screen* ]]
+    then
+      nb_sessions=$(tmux list-session | wc -l)
+      nb_sessions_attached=$(tmux list-session | grep "attached" | wc -l)
+      nb_sessions_detached=$(tmux list-session | grep -v "attached" | wc -l)
+
+      echo_reverse "Found ${nb_sessions} tmux session(s)"
+
+      echo " * ${nb_sessions_attached} attached"
+      tmux list-sessions | grep "attached" | sed -e 's/^/     - /'
+
+      echo " * ${nb_sessions_detached} detached"
+      tmux list-sessions | grep -v "attached" | sed -e 's/^/     - /'
+
+    fi
+  fi
+fi
+