.rccmn

# create a history directory if it doesn't exit
#if [[ ! -d $HOME/.hist ]]; then
#    mkdir -p $HOME/.hist
#fi

# deletes process history if the process is not active, these
# are assume exited bash sessions.  note this is only valid
# for single system.
#function purge_hist {
#    for i in $(comm -23 <(sort -n <(ls $HOME/.hist/history.* | sed "s#$HOME/.hist/history.##"))  <(sort <(for i in $(ps -ex -o pid | sed 1d); do echo $# i ; done))); do echo "$HOME/.hist/history.$i"; done | xargs rm -f
#}

#function view_hist {
#    strings -n 1 $0
#}

# Title Bar path will be truncated to this max length
SPATHLEN=40

# uses long/.../path
function shortpath_new_trunc {
    pwd_length=$SPATHLEN
    pwd_symbol="..."
    newPWD="${1/#$HOME/~}"
    if [ $(echo -n $newPWD | wc -c | tr -d " ") -gt $pwd_length ]; then
	newPWD=$(echo -n $newPWD | awk -F '/' '{
        print $1 "/" $2 "/.../" $(NF-1) "/" $(NF)}')
    fi
    echo ${newPWD}
}

# uses +long/path
function shortpath_bash {
    typeset tpwd=$1
    typeset more=
    if [[ $tpwd = $HOME?\(/*\) ]]; then
	tpwd=\~${tpwd#$HOME}
    fi
    if [[ $(echo -n $tpwd | wc -c | tr -d " ") -gt $SPATHLEN ]]; then
	newPWD="$(echo -n $tpwd | sed -e "s/.*\(.\{$SPATHLEN\}\)/\1/")"
	more=+
    else
	newPWD="$(echo -n $tpwd)"
    fi
    echo "$more$newPWD"
}

# for ksh88
# uses +long/path
function shortpath {
    typeset tpwd=$1
    typeset more=
    # Replace leading $HOME with ~
    if [[ $tpwd = "$HOME?(/*)" ]]; then
        tpwd=\~${tpwd#$HOME}
    fi
    # Truncate if longer than SPATHLEN chars length
    if (( ${#tpwd} > $SPATHLEN )); then
	len=`echo $tpwd | wc -m`
	start=$(expr $len - $SPATHLEN)
	tpwd=`echo $tpwd | cut -c$start-$len`
        more="+"
    fi
    printf "$more$tpwd\n"
}

# Construct a string to update GUI titlebar
function settitle {
    _PWD=$(echo $PWD| sed "s;$HOME;~;") # strip home directory

    # if an interactive session
    if [[ -t 0 ]]; then	
	if [[ "$TERM_PROGRAM" == "Apple_Terminal" ]]; then
	    # replace spaces with percent sign for pathnames
	    # with spaces
	    SEARCH=' '
	    REPLACE='%20'
	    PWD_URL="file:${PWD//$SEARCH/$REPLACE}"	    
      	    printf "\033]0;$SYS\007"
            printf "\033]6;\007"
	    #printf "\033]7;$PWD_URL\007"
	    printf "\033]2;%s\007" "$SYS:$PWD"
	elif [[ "$TERM" == *"xterm"* ]]; then
       	    TMP_PWD=$(shortpath "$_PWD")
	    # clear out previous title bar
	    printf "\033]0;\007"
	    printf "\033]1;\007"
	    printf "\033]2;\007"
	    printf "\033]6;\007"
	    printf "\033]7;\007"
	    printf "\033]2;%s\007" "$SYS:$TMP_PWD"
	fi
    fi
}

# Set the prompt
function setprompt {
    _PWD=$(echo $PWD| sed "s;$HOME;~;") # strip home directory

    # Read only directories are Red.
    if [[ ! -w "${PWD}" ]] ; then
	CPWD="${Rc}${_PWD}${Nc}"
    else
	CPWD=$_PWD
    fi

    if [[ $TERM == "dumb" ]]; then
        PS1="${HIST}[${SYS}:${CPWD}]$ "
        PS2=">  "
    else
        # ${LOGNAME} for login name
        _PS1="${HIST}${Bc}[${Nc}${SYS}${Bc}:${Nc}${Wc}${CPWD}${Nc}${Bc}]${Nc}${Wc}${Nc}$ ${Nc}"
        _PS2="${Bc}>  ${Nc}"
	PS1=$($ECHO $(settitle) >/dev/tty)$($ECHO ${_PS1})
	PS2=$($ECHO ${_PS2})
    fi
}