Miscellany

__PS_COLOR=31__PROMPT_FUNC() {    local _ERRVAL=$?; local _PWD=${PWD/$HOME/~}; local _BASE=${_PWD##*/}    PS1="\[\e[1;${__PS_COLOR}m\]\u\[\e[0;${__PS_COLOR}m\]@\h\[\e[1;30;40m\]:"    PS1="${PS1}\[\e[0;37m\]${_PWD%$_BASE}\[\e[1;37m\]${_BASE}"    if test $_ERRVAL -eq 0; then        PS1="${PS1}\[\e[32m\]\\$ \[\e[0m\]"    else        PS1="${PS1}\[\e[31m\]\\$ [${_ERRVAL}] \[\e[0m\]"    fi    echo -ne "\e]0;${USER}@${HOSTNAME}: ${_PWD}\007"}PROMPT_COMMAND=__PROMPT_FUNC