#!/bin/bash
# Create a Screen session everytime, unless you don't want

screen_cmd=$(which screen)
if [ -n "${screen_cmd}" ]; then
    if [ -n "${STY}" ]; then
        session_name="${STY//[0-9]*\./}"
        echo "This is screen session '${session_name}'"
        xtitle_cmd="$(which xtitle)"
        if [ -n ${xtitle_cmd} ]; then
            "${xtitle_cmd}" -q -t "${session_name}"
            return_code=$?
            if [ ${return_code} != 0 ]; then
                echo "There was an error ${return_code} setting the title."
            fi
        else
            echo "xtitle is not installed so I can't update the title of the X window with the session name. Install it and the experience will be better)"
        fi
    else
        echo "This is not a screen session, let's create one. Name of the session?"
        read -r session_name
        if [ -n "${session_name}" ] && [ "${session_name}" != "" ]; then
            if [ -n ${xtitle_cmd} ]; then
                "${xtitle_cmd}" -q -t "${session_name}"
            else
                echo "xtitle is not installed so I can't update the title of the X window with the session name. Install it and the experience will be better)"
            fi
            "${screen_cmd}" -t "${session_name}" -S "${session_name}" && exit
        else
            echo "Ok, I'll leave you alone without a session..."
        fi
    fi
else
    echo "Screen is not installed. Install it so always_screen in your bashrc will work."
fi