===== Separar la salida de comandos ejecutados en consola con una linea y hora de ejecución =====

Proceso para separar los comandos ejectados en la terminal mediante una linea.

Ejemplo de salida.
<code bash>
-------------------------------------------------------------------------------------------------- 11:27:21
root@slack:~# ls
ssh_keys_fa
-------------------------------------------------------------------------------------------------- 11:28:26
root@slack:~# ls -a
.  ..  .bash_history  .bash_linie  .ssh  .viminfo  ssh_keys_amazon
-------------------------------------------------------------------------------------------------- 11:29:28
root@slack:~# date
Tue Dec 25 11:29:33 CET 2010
-------------------------------------------------------------------------------------------------- 11:34:33
root@slack:~# time dir /
bin   dev  home  lost+found  opt   root  sbin  sys  usr
boot  etc  lib   mnt         proc  run   srv   tmp  var

real    0m0.014s
user    0m0.000s
sys     0m0.000s
-------------------------------------------------------------------------------------------------- 16:29:47
</code>

Fichero ///etc/bash_linie// (Todo los usuarios del sistema) o bien //$HOME/.bash_linie// (Solo el usuario).
<code bash bash_linie>
fill="--- "
reset_style='\[\033[00m\]'
status_style=$reset_style'\[\033[0;90m\]' # gray color; use 0;37m for lighter color
prompt_style=$reset_style
command_style=$reset_style'\[\033[1;29m\]' # bold black
# Prompt variable:
PS1="$status_style"'$fill \t\n'"$prompt_style"'${debian_chroot:+($debian_chroot)}\u@\h:\w\$'"$command_style "
# Reset color for command output
# (this one is invoked every time before a command is executed):
trap 'echo -ne "\e[0m"' DEBUG
function prompt_command {
# create a $fill of all screen width minus the time string and a space:
let fillsize=${COLUMNS}-9
fill=""
while [ "$fillsize" -gt "0" ]
do
fill="-${fill}" # fill with underscores to work on
let fillsize=${fillsize}-1
done
# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
bname=`basename "${PWD/$HOME/~}"`
echo -ne "\033]0;${bname}: ${USER}@${HOSTNAME}: ${PWD/$HOME/~}\007"
;;
*)
;;
esac
}
PROMPT_COMMAND=prompt_command
</code>

Fichero /etc/bash.bashrc o /etc/bashrc (Todos los usuarios del sistema).
<code bash>
if [ -f "/etc/bash_linie" ]; then
. "/etc/bash_linie"
fi
</code>

Fichero $HOME/.bashrc (Solo el usuario).
<code bash>
if [ -f "$HOME/.bash_linie" ]; then
. "$HOME/.bash_linie"
fi
</code>