run_thing.sh

#! /bin/bash

SESSION_NAME=$( tmux display-message -p '#S' 2> /dev/null )
WINDOW_TITLE="Workspace"

check_session()
{
    if [ x$SESSION_NAME == "x" ]
    then
        echo "Please do this in a tmux session"
        exit 1
    fi
}

close_window()
{
    tmux kill-window -t $WINDOW_TITLE 2> /dev/null
}

open_window()
{
    tmux new-window -n $WINDOW_TITLE htop
    tmux select-window $WINDOW_TITLE
    tmux split-window "tail -f $0"
    tmux split-window
    tmux select-layout even-vertical
}

start_session()
{
    check_session
    stop_session
    open_window
}

stop_session()
{
    check_session
    close_window
}

case x$1 in
    xstart)
        start_session
    ;;
    xstop)
        stop_session
    ;;
    x)
        echo "Usage: $0 [start|stop]"
    ;;
esac