My .bashrc

# loads o' history from many shells at same time
export HISTSIZE=10000
export HISTFILESIZE=1000000
export EDITOR=emacs
export PROMPT_COMMAND='history -a'
shopt -s histappend
 
# meh aliases
alias cp='cp -i'
alias mv='mv -i'
alias rm='rm -i'
alias rot13='tr A-Za-z N-ZA-Mn-za-m'
 
# teh sxy prmpt ftn
function echo_prompt ( ) {
    local DEFAULT_COLOR='\[\e[0m\]'
    local GREEN='\[\e[0;32m\]'
    local RED='\[\e[0;31m\]'
    local YELLOW='\[\e[1;33m\]'
    local LGREEN='\[\e[1;32m\]'
    local PURPLE='\[\e[0;35m\]'
    local TIME="${GREEN}\t"
    local RET_CODE="${RED}(\$?)"
    local USER="${LGREEN}\u@\h"
    local PWD="${YELLOW}\w"
    local TITLE='\[\e]0;\u@\h \w\]'
    if [ ! -z "${CLEARCASE_ROOT}" ]; then
        local CC_VIEW="${PURPLE}[$(basename $CLEARCASE_ROOT)]"
        echo "${TITLE}\n${TIME} ${RET_CODE} ${USER} ${CC_VIEW} ${PWD}\n\$ ${DEFAULT_COLOR}"
    else
        echo "${TITLE}\n${TIME} ${RET_CODE} ${USER} ${PWD}\n\$ ${DEFAULT_COLOR}"
    fi
}
 
ls_color_opt=""
 
case "$TERM" in
    'xterm' | 'dtterm' | 'ansi' | 'vt102' | 'rxvt' | 'cygwin' )
        if [ `uname` = 'Linux' ] ; then
            ls_color_opt=true
        fi
        PS1=$( echo_prompt )
        ;;
    'dumb' | * )
        export PS1="\u@\h \w\n\$ "
        ;;
esac
 
if [ ! -z "${ls_color_opt}" ]; then
    alias l='ls -FC --color'
    alias la='ls -aFC --color'
    alias ll='ls -lF --color'
    alias lla='ls -alF --color'
else
    alias l='ls -FC '
    alias la='ls -aFC'
    alias ll='ls -lF'
    alias lla='ls -alF'
fi