My tmux config

.tmux.clipboard

# configuration for osx clipboard support


set-option -g default-command "reattach-to-user-namespace -l sh"

.tmux.conf

# start window index of 1
set-option -g base-index 1
setw -g pane-base-index 1

# sane scrolling
# set-option -g terminal-overrides 'xterm*:smcup@:rmcup@'

# UTF-8
set-option -g status-utf8 on

#supposedly fixes pausing in vim
set-option -sg escape-time 1


set-window-option -g mode-mouse on
set-option -g mouse-select-pane on
set-option -g mouse-resize-pane on
set-option -g mouse-select-window on


# act like vim
set-window-option -g mode-keys vi
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R
bind-key -r C-h select-window -t :-
bind-key -r C-l select-window -t :+
 
# # act like GNU screen
unbind C-b
set -g prefix C-a
# Allow C-A a to send C-A to application
bind C-a send-prefix

# Reload key
bind r source-file ~/.tmux.conf

# # look good
set -g default-terminal "screen-256color"

set -g history-limit 5000

setw -g xterm-keys on


# # Rebinding the pane splitting bindings
# unbind % # Remove default bindings since we're replacing
bind | split-window -h
bind - split-window -v

# Open panes in new window
unbind v
unbind n
bind v send-keys " ~/tmux-panes -h" C-m
bind n send-keys " ~/tmux-panes -v" C-m

# # Set window notifications
setw -g monitor-activity on
set -g visual-activity on

# panes

bind-key -r J resize-pane -D 5
bind-key -r K resize-pane -U 5
bind-key -r H resize-pane -L 5
bind-key -r L resize-pane -R 5


set-option -g pane-border-fg green
set-option -g pane-border-bg black

set-option -g pane-active-border-fg white
set-option -g pane-active-border-bg yellow


# statusbar --------------------------------------------------------------

# # default statusbar colors
set-option -g status-fg white
set-option -g status-bg black
set-option -g status-attr default

# # default window title colors
set-window-option -g window-status-fg cyan
set-window-option -g window-status-bg default
set-window-option -g window-status-attr dim

# # active window title colors
set-window-option -g window-status-current-fg white
set-window-option -g window-status-current-bg red
set-window-option -g window-status-current-attr bright

# # command/message line colors
set-option -g message-fg white
set-option -g message-bg black
set-option -g message-attr bright

# # Refresh the status bar every 30 seconds.
set-option -g status-interval 30

# # The status bar itself.
set -g status-justify centre
set -g status-left-length 40
set -g status-left "#[fg=#009900]Session: #S #[fg=yellow]#I #[fg=cyan]#P"
set -g status-right "#[fg=blue]#(~/battery Discharging) | #[fg=cyan]%d %b %R"

set-option -g display-time 1000

# Reload source file
bind-key r source-file ~/.tmux.conf \; display-message "Configuration reloaded"

# Macros

# Show url in buffer 
bind C-o run-shell "open $(tmux show-buffer)"

# Pipe pane to log file
bind-key P pipe-pane -o "cat >>$HOME/#W-tmux.log" \; display-message "Toggled logging to $HOME/#W-tmux.log"

# Maximize and restore panes. Don't switch windows between using these :)
# maximize
unbind Up
bind Up neww -d -n tmp \; swap-pane -s tmp.1 \; select-window -t tmp

# Restore
unbind Down
bind Down last-window \; swap-pane -s tmp.1 \; kill-window -t tmp

# Sync panes
bind C-s set-window-option synchronize-panes



# OSX Clipboard support

source ~/.tmux.clipboard
bind C-v run "tmux set-buffer $(reattach-to-user-namespace pbpaste); tmux paste-buffer"
bind C-c run "tmux save-buffer - | reattach-to-user-namespace pbcopy"

# Linux clipboard support
bind C-p run "tmux set-buffer \"$(xclip -o -selection clipboard)\"; tmux paste-buffer" 
bind C-y run "tmux save-buffer - | xclip -i -selection clipboard"


# Clear the current pane AND clear the pane's history
bind C-k send-keys 'C-l'\; clear-history

battery

#!/bin/sh

# This needs to be in the home folder and needs
# to be chmod +x so it runs right.

linux_get_bat ()
{
    bf=$(cat $BAT_FULL)
    bn=$(cat $BAT_NOW)
    BAT=`echo "100 * $bn / $bf" | bc`
    echo $BAT
}

freebsd_get_bat ()
{
    echo "$(sysctl -n hw.acpi.battery.life)%"

}

# Do with grep and awk unless too hard

# TODO Identify which machine we're on from teh script.

case $(uname -s) in
    "Linux")
        BATPATH=/sys/class/power_supply/BAT0
        STATUS=$BATPATH/status
        BAT_FULL=$BATPATH/energy_full
        BAT_NOW=$BATPATH/energy_now
        if [ "$1" = `cat $STATUS` -o "$1" = "" ]; then
            echo $(linux_get_bat)%
        fi
        ;;
    "FreeBSD")
        STATUS=`sysctl -n hw.acpi.battery.state`
        case $1 in
            "Discharging")
                if [ $STATUS -eq 1 ]; then
                    freebsd_get_bat
                fi
                ;;
            "Charging")
                if [ $STATUS -eq 2 ]; then
                    freebsd_get_bat
                fi
                ;;
            "")
                freebsd_get_bat
                ;;
        esac
        ;;
    "Darwin")
        case $1 in
            "Discharging")
                ext="No";;
            "Charging")
                ext="Yes";;
        esac

        ioreg -c AppleSmartBattery -w0 | \
        grep -o '"[^"]*" = [^ ]*' | \
        sed -e 's/= //g' -e 's/"//g' | \
        sort | \
        while read key value; do
            case $key in
                "MaxCapacity")
                    export maxcap=$value;;
                "CurrentCapacity")
                    export curcap=$value;;
                "ExternalConnected")
                    if [ "$ext" != "$value" ]; then
                        exit
                    fi
                ;;
                "FullyCharged")
                    if [ "$value" = "Yes" ]; then
                        exit
                    fi
                ;;
            esac
            if [[ -n "$maxcap" && -n $curcap ]]; then
                BAT=`echo "100 * $curcap / $maxcap" | bc`
                echo ${BAT}%
                exit
            fi
        done
esac

tmux-panes

TMUX_CURRENT_DIR=`pwd`
tmux split-window $1
tmux send-keys "cd $TMUX_CURRENT_DIR;clear" C-m