Consolidate bash history files per host per day.

hist_conf

#Bash History Project
#References:
# http://unix.stackexchange.com/questions/1288/preserve-bash-history-in-multiple-terminal-windows
# http://unix.stackexchange.com/questions/1288/preserve-bash-history-in-multiple-terminal-windows#3055135
# http://tldp.org/HOWTO/Bash-Prompt-HOWTO/x264.html
TITLEBAR='\[\033]2;\u@\h:\w\007\]'
PS1="${TITLEBAR}(\!) \t \$ "
#export HISTCONTROL=ignoredups
export HISTSIZE=10000
export HISTIGNORE="ls:ls -l:pwd:cd:cd .."
export HISTTIMEFORMAT='%b %d %H:%M:%S: '
shopt -s histappend                      # append to history, don't overwrite it
export PROMPT_COMMAND="history -a; history -c; history -r;"
export HISTFILE=~/.histories/hist.`echo $HOSTNAME | cut -d. -f1`_`date +%F`.txt