/usr/share/doc/tmux/examples

$cp /usr/share/doc/tmux/examples/someconffile.conf ~/tmux.conf

#!/usr/bin/env bash

unset temporary_array_tmp ; declare -a temporary_array_tmp
temporary_array_tmp=(/etc/tmux.conf ~/.tmux.conf)

# The next line creates an empty global and personal configuration file,
# if it individually does NOT exists.

for i_tmp in ${temporary_array_tmp[@]} ; do
    [[ ! -f ${i_tmp} ]] &&
        touch ${i_tmp} &&
        echo -en "I created an empty tmux configuration file @ ${i_tmp}.  " &&
        echo -e "You need to add configuration settings to ${i_tmp} ." ||
        echo -e "The tmux configuration file ${i_tmp} already exists."
done

# After you add configuration settings, then you need
# to tell tmux to reload the files.

for i_tmp in ${temporary_array_tmp[@]} ; do
    [[ -f ${i_tmp} ]] &&
        tmux source-file ${i_tmp} &&
        echo -e "${i_tmp} The tmux configuration file ${i_tmp} is loaded." ||
        echo -e "The tmux configuration file ${i_tmp} is NOT loaded."
done
unset temporary_array_tmp

find ~/ /etc /usr -iname *tmux*