bashrc

# source readable files
function check_and_source {
	if [ -r $1 ]; then source $1; fi
}

check_and_source /usr/local/lib/initfiles/system-bashrc
check_and_source ~/.bash_aliases
check_and_source ~/.bash_completion
check_and_source ~/.bash_exports
check_and_source ~/.bash_functions
check_and_source ~/.bash_palette

function ps2_prompt {
	local indent=$((15+${#USER}+${#SHORTHOST}))
	if [[ ${PWD} == ${HOME}* ]]; then
		((indent+=$((${#PWD}-${#HOME}+1))))
	else
		((indent+=${#PWD}))
	fi
	PS2="$(printf ' %.0s' $(eval echo {1..${indent}}))> "
}

# pre-prompt executions - tab name short-hostname:pwd
PROMPT_COMMAND='echo -ne "$E_ESC$SHORTHOST:$(pwd)$E_BEL";'
PROMPT_COMMAND+='ps2_prompt;'

# [time] user@host.site: pwd $ as the primary prompt
PS1="$C_RED[\t] $C_BROWN\u$C_CYAN@$C_BROWN$SHORTHOST$C_CYAN:$C_BLUE \w $C_RED\$$C_OFF "

# shell options
shopt -s cdspell checkwinsize cmdhist histappend no_empty_cmd_completion
if [ ${BASH_VERSINFO} -ge 4 ]; then shopt -s autocd checkjobs dirspell; fi
if [[ ${BASH_VERSION} =~ "4.2" ]]; then shopt -s direxpand; fi